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40387464950 = 25271931195913
BaseRepresentation
bin100101100111010001…
…111100111011110110
310212020200010210111012
4211213101330323312
51130203142334300
630315335312222
72626560534140
oct454721747366
9125220123435
1040387464950
1116145742208
1279b181b672
133a68425471
141d51c2bc90
1510b5a21435
hex96747cef6

40387464950 has 96 divisors (see below), whose sum is σ = 93286410240. Its totient is φ = 12695097600.

The previous prime is 40387464941. The next prime is 40387464967. The reversal of 40387464950 is 5946478304.

It is a super-2 number, since 2×403874649502 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108194 + ... + 304106.

It is an arithmetic number, because the mean of its divisors is an integer number (971733440).

Almost surely, 240387464950 is an apocalyptic number.

40387464950 is an abundant number, since it is smaller than the sum of its proper divisors (52898945290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40387464950 is a wasteful number, since it uses less digits than its factorization.

40387464950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195982 (or 195977 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 40387464950 in words is "forty billion, three hundred eighty-seven million, four hundred sixty-four thousand, nine hundred fifty".

Divisors: 1 2 5 7 10 14 19 25 31 35 38 50 62 70 95 133 155 175 190 217 266 310 350 434 475 589 665 775 950 1085 1178 1330 1550 2170 2945 3325 4123 5425 5890 6650 8246 10850 14725 20615 29450 41230 103075 195913 206150 391826 979565 1371391 1959130 2742782 3722347 4897825 6073303 6856955 7444694 9795650 12146606 13713910 18611735 26056429 30366515 34284775 37223470 42513121 52112858 60733030 68569550 85026242 93058675 115392757 130282145 151832575 186117350 212565605 230785514 260564290 303665150 425131210 576963785 651410725 807749299 1062828025 1153927570 1302821450 1615498598 2125656050 2884818925 4038746495 5769637850 8077492990 20193732475 40387464950