442624020 has 48 divisors (see below), whose sum is σ = 1242786048. Its totient is φ = 117705600.

The previous prime is 442623989. The next prime is 442624027. The reversal of 442624020 is 20426244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442624027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11970 + ... + 32070.

It is an arithmetic number, because the mean of its divisors is an integer number (25891376).

Almost surely, 2^442624020 is an apocalyptic number.

It is an amenable number.

442624020 is an abundant number, since it is smaller than the sum of its proper divisors (800162028).

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

442624020 is a wasteful number, since it uses less digits than its factorization.

442624020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20480 (or 20478 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 442624020 is about 21038.6316094940. The cubic root of 442624020 is about 762.0994696583.

The spelling of 442624020 in words is "four hundred forty-two million, six hundred twenty-four thousand, twenty".