42620552 has 16 divisors (see below), whose sum is σ = 86060940. Its totient is φ = 19670976.

The previous prime is 42620551. The next prime is 42620569. The reversal of 42620552 is 25502624.

It can be written as a sum of positive squares in 2 ways, for example, as 42432196 + 188356 = 6514^2 + 434^2 .

It is a super-2 number, since 2×42620552² = 3633022905569408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (42620551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204803 + ... + 205010.

Almost surely, 2^42620552 is an apocalyptic number.

It is an amenable number.

42620552 is an abundant number, since it is smaller than the sum of its proper divisors (43440388).

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

42620552 is a wasteful number, since it uses less digits than its factorization.

42620552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409832 (or 409828 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 42620552 is about 6528.4417742674. The cubic root of 42620552 is about 349.3062502879.

The spelling of 42620552 in words is "forty-two million, six hundred twenty thousand, five hundred fifty-two".