42520431102 has 16 divisors (see below), whose sum is σ = 85108423680. Its totient is φ = 14162216792.

The previous prime is 42520431097. The next prime is 42520431139. The reversal of 42520431102 is 20113402524.

It is a super-2 number, since 2×42520431102² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2806878 + ... + 2821985.

It is an arithmetic number, because the mean of its divisors is an integer number (5319276480).

Almost surely, 2^42520431102 is an apocalyptic number.

42520431102 is an abundant number, since it is smaller than the sum of its proper divisors (42587992578).

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

42520431102 is a wasteful number, since it uses less digits than its factorization.

42520431102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5630127.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42520431102 its reverse (20113402524), we get a palindrome (62633833626).

The spelling of 42520431102 in words is "forty-two billion, five hundred twenty million, four hundred thirty-one thousand, one hundred two".