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40445144350 = 25213292145631
BaseRepresentation
bin100101101010101101…
…111110110100011110
310212101200200012202021
4211222231332310132
51130312424104400
630325155450354
72631161024512
oct455255766436
9125350605667
1040445144350
1116175258636
127a08bb69ba
133a7736c0a0
141d59764142
1510bab1671a
hex96ab7ed1e

40445144350 has 48 divisors (see below), whose sum is σ = 83808385920. Its totient is φ = 14418633600.

The previous prime is 40445144251. The next prime is 40445144401. The reversal of 40445144350 is 5344154404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1053966 + ... + 1091665.

It is an arithmetic number, because the mean of its divisors is an integer number (1746008040).

Almost surely, 240445144350 is an apocalyptic number.

40445144350 is an abundant number, since it is smaller than the sum of its proper divisors (43363241570).

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

40445144350 is a wasteful number, since it uses less digits than its factorization.

40445144350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145685 (or 2145680 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40445144350 its reverse (5344154404), we get a palindrome (45789298754).

The spelling of 40445144350 in words is "forty billion, four hundred forty-five million, one hundred forty-four thousand, three hundred fifty".

Divisors: 1 2 5 10 13 25 26 29 50 58 65 130 145 290 325 377 650 725 754 1450 1885 3770 9425 18850 2145631 4291262 10728155 21456310 27893203 53640775 55786406 62223299 107281550 124446598 139466015 278932030 311116495 622232990 697330075 808902887 1394660150 1555582475 1617805774 3111164950 4044514435 8089028870 20222572175 40445144350