204442656040 has 64 divisors (see below), whose sum is σ = 543837628800. Its totient is φ = 67677566208.

The previous prime is 204442656031. The next prime is 204442656083. The reversal of 204442656040 is 40656244402.

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, 12580714 + ... + 12596953.

It is an arithmetic number, because the mean of its divisors is an integer number (8497462950).

Almost surely, 2^204442656040 is an apocalyptic number.

204442656040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204442656040 is an abundant number, since it is smaller than the sum of its proper divisors (339394972760).

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

204442656040 is a wasteful number, since it uses less digits than its factorization.

204442656040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25177714 (or 25177710 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 37.

It can be divided in two parts, 204 and 442656040, that added together give a palindrome (442656244).

The spelling of 204442656040 in words is "two hundred four billion, four hundred forty-two million, six hundred fifty-six thousand, forty".