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40240220370 = 2357191620097
BaseRepresentation
bin100101011110100000…
…010000100011010010
310211212102001222220020
4211132200100203102
51124402444022440
630252555324310
72623122141510
oct453640204322
9124772058806
1040240220370
111607a612179
127970450696
133a43a7c7ac
141d3a45d4b0
1510a7b383d0
hex95e8108d2

40240220370 has 32 divisors (see below), whose sum is σ = 110373176448. Its totient is φ = 9197764608.

The previous prime is 40240220369. The next prime is 40240220399. The reversal of 40240220370 is 7302204204.

It is a super-3 number, since 3×402402203703 (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40240220370.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95809839 + ... + 95810258.

It is an arithmetic number, because the mean of its divisors is an integer number (3449161764).

Almost surely, 240240220370 is an apocalyptic number.

40240220370 is an abundant number, since it is smaller than the sum of its proper divisors (70132956078).

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

40240220370 is a wasteful number, since it uses less digits than its factorization.

40240220370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191620114.

The product of its (nonzero) digits is 2688, while the sum is 24.

Adding to 40240220370 its reverse (7302204204), we get a palindrome (47542424574).

The spelling of 40240220370 in words is "forty billion, two hundred forty million, two hundred twenty thousand, three hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 191620097 383240194 574860291 958100485 1149720582 1341340679 1916200970 2682681358 2874301455 4024022037 5748602910 6706703395 8048044074 13413406790 20120110185 40240220370