42556024 has 16 divisors (see below), whose sum is σ = 91191600. Its totient is φ = 18238272.

The previous prime is 42556001. The next prime is 42556037. The reversal of 42556024 is 42065524.

It is a super-2 number, since 2×42556024² = 3622030357377152, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 42555983 and 42556001.

It is a congruent number.

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, 379909 + ... + 380020.

It is an arithmetic number, because the mean of its divisors is an integer number (5699475).

Almost surely, 2^42556024 is an apocalyptic number.

It is an amenable number.

42556024 is an abundant number, since it is smaller than the sum of its proper divisors (48635576).

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

42556024 is a wasteful number, since it uses less digits than its factorization.

42556024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759942 (or 759938 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42556024 is about 6523.4978347509. The cubic root of 42556024 is about 349.1298767034.

The spelling of 42556024 in words is "forty-two million, five hundred fifty-six thousand, twenty-four".