42569432 has 8 divisors (see below), whose sum is σ = 79817700. Its totient is φ = 21284712.

The previous prime is 42569413. The next prime is 42569447. The reversal of 42569432 is 23496524.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42569392 and 42569401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2660582 + ... + 2660597.

Almost surely, 2^42569432 is an apocalyptic number.

It is an amenable number.

42569432 is a deficient number, since it is larger than the sum of its proper divisors (37248268).

42569432 is a wasteful number, since it uses less digits than its factorization.

42569432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5321185 (or 5321181 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 42569432 is about 6524.5254233546. The cubic root of 42569432 is about 349.1665392908.

The spelling of 42569432 in words is "forty-two million, five hundred sixty-nine thousand, four hundred thirty-two".