42344515132520 has 64 divisors (see below), whose sum is σ = 95463515906640. Its totient is φ = 16904351692800.

The previous prime is 42344515132511. The next prime is 42344515132571. The reversal of 42344515132520 is 2523151544324.

It can be written as a sum of positive squares in 8 ways, for example, as 20424271339684 + 21920243792836 = 4519322^2 + 4681906^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42893594 + ... + 43869686.

Almost surely, 2^{42344515132520} is an apocalyptic number.

42344515132520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42344515132520 is an abundant number, since it is smaller than the sum of its proper divisors (53119000774120).

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

42344515132520 is a wasteful number, since it uses less digits than its factorization.

42344515132520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978246 (or 978242 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 42344515132520 its reverse (2523151544324), we get a palindrome (44867666676844).

The spelling of 42344515132520 in words is "forty-two trillion, three hundred forty-four billion, five hundred fifteen million, one hundred thirty-two thousand, five hundred twenty".