42455604 has 24 divisors (see below), whose sum is σ = 99779680. Its totient is φ = 14049504.

The previous prime is 42455603. The next prime is 42455641. The reversal of 42455604 is 40655424.

It is a super-2 number, since 2×42455604² = 3604956622009632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42455603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11059 + ... + 14394.

Almost surely, 2^42455604 is an apocalyptic number.

It is an amenable number.

42455604 is an abundant number, since it is smaller than the sum of its proper divisors (57324076).

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

42455604 is a wasteful number, since it uses less digits than its factorization.

42455604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25599 (or 25597 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 42455604 is about 6515.7964977430. The cubic root of 42455604 is about 348.8550449874.

The spelling of 42455604 in words is "forty-two million, four hundred fifty-five thousand, six hundred four".