42431162032 has 20 divisors (see below), whose sum is σ = 93954716176. Its totient is φ = 18184783680.

The previous prime is 42431162029. The next prime is 42431162047. The reversal of 42431162032 is 23026113424.

It is a happy number.

It is a super-2 number, since 2×42431162032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 189424719 + ... + 189424942.

Almost surely, 2^42431162032 is an apocalyptic number.

It is an amenable number.

42431162032 is an abundant number, since it is smaller than the sum of its proper divisors (51523554144).

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

42431162032 is a wasteful number, since it uses less digits than its factorization.

42431162032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378849676 (or 378849670 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 42431162032 its reverse (23026113424), we get a palindrome (65457275456).

The spelling of 42431162032 in words is "forty-two billion, four hundred thirty-one million, one hundred sixty-two thousand, thirty-two".