42549232 has 40 divisors (see below), whose sum is σ = 95230512. Its totient is φ = 18201600.

The previous prime is 42549211. The next prime is 42549253. The reversal of 42549232 is 23294524.

It is an interprime number because it is at equal distance from previous prime (42549211) and next prime (42549253).

It is a junction number, because it is equal to n+sod(n) for n = 42549194 and 42549203.

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, 4119 + ... + 10102.

Almost surely, 2^42549232 is an apocalyptic number.

It is an amenable number.

42549232 is an abundant number, since it is smaller than the sum of its proper divisors (52681280).

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

42549232 is a wasteful number, since it uses less digits than its factorization.

42549232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257 (or 14251 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 42549232 is about 6522.9772343616. The cubic root of 42549232 is about 349.1113018456. Note that the first 3 decimals are identical.

It can be divided in two parts, 425492 and 32, that added together give a palindrome (425524).

The spelling of 42549232 in words is "forty-two million, five hundred forty-nine thousand, two hundred thirty-two".