42624522 has 16 divisors (see below), whose sum is σ = 94721280. Its totient is φ = 14208156.

The previous prime is 42624511. The next prime is 42624523. The reversal of 42624522 is 22542624.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (42624523) 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, 394618 + ... + 394725.

It is an arithmetic number, because the mean of its divisors is an integer number (5920080).

Almost surely, 2^42624522 is an apocalyptic number.

42624522 is an abundant number, since it is smaller than the sum of its proper divisors (52096758).

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

42624522 is a wasteful number, since it uses less digits than its factorization.

42624522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789354 (or 789348 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 42624522 is about 6528.7458213657. The cubic root of 42624522 is about 349.3170956250.

The spelling of 42624522 in words is "forty-two million, six hundred twenty-four thousand, five hundred twenty-two".