42434531400432 has 40 divisors (see below), whose sum is σ = 109622861851984. Its totient is φ = 14144802200064.

The previous prime is 42434531400397. The next prime is 42434531400493. The reversal of 42434531400432 is 23400413543424.

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, 18209268 + ... + 20407020.

Almost surely, 2^{42434531400432} is an apocalyptic number.

It is an amenable number.

42434531400432 is an abundant number, since it is smaller than the sum of its proper divisors (67188330451552).

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

42434531400432 is a wasteful number, since it uses less digits than its factorization.

42434531400432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2600017 (or 2600011 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 42434531400432 its reverse (23400413543424), we get a palindrome (65834944943856).

The spelling of 42434531400432 in words is "forty-two trillion, four hundred thirty-four billion, five hundred thirty-one million, four hundred thousand, four hundred thirty-two".