442553020 has 48 divisors (see below), whose sum is σ = 1143834048. Its totient is φ = 140060160.

The previous prime is 442553003. The next prime is 442553047. The reversal of 442553020 is 20355244.

It is a super-2 number, since 2×442553020² = 391706351022240800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119761 + ... + 123400.

It is an arithmetic number, because the mean of its divisors is an integer number (23829876).

Almost surely, 2^442553020 is an apocalyptic number.

It is an amenable number.

442553020 is an abundant number, since it is smaller than the sum of its proper divisors (701281028).

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

442553020 is a wasteful number, since it uses less digits than its factorization.

442553020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243190 (or 243188 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 442553020 is about 21036.9441697220. The cubic root of 442553020 is about 762.0587187777.

The spelling of 442553020 in words is "four hundred forty-two million, five hundred fifty-three thousand, twenty".