42021311434232 has 16 divisors (see below), whose sum is σ = 84850725011640. Its totient is φ = 19394451431136.

The previous prime is 42021311434187. The next prime is 42021311434243. The reversal of 42021311434232 is 23243411312024.

It is a happy number.

It is a super-2 number, since 2×42021311434232² (a number of 28 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 3 ways as a sum of consecutive naturals, for example, 202025535638 + ... + 202025535845.

Almost surely, 2^{42021311434232} is an apocalyptic number.

It is an amenable number.

42021311434232 is an abundant number, since it is smaller than the sum of its proper divisors (42829413577408).

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

42021311434232 is a wasteful number, since it uses less digits than its factorization.

42021311434232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404051071502 (or 404051071498 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 42021311434232 its reverse (23243411312024), we get a palindrome (65264722746256).

The spelling of 42021311434232 in words is "forty-two trillion, twenty-one billion, three hundred eleven million, four hundred thirty-four thousand, two hundred thirty-two".