204031400240400 has 60 divisors (see below), whose sum is σ = 653580585440592. Its totient is φ = 54408373397120.

The previous prime is 204031400240387. The next prime is 204031400240501. The reversal of 204031400240400 is 4042004130402.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85013082234 + ... + 85013084633.

Almost surely, 2^{204031400240400} is an apocalyptic number.

204031400240400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204031400240400 is an abundant number, since it is smaller than the sum of its proper divisors (449549185200192).

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

204031400240400 is a wasteful number, since it uses less digits than its factorization.

204031400240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170026166888 (or 170026166877 counting only the distinct ones).

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

Adding to 204031400240400 its reverse (4042004130402), we get a palindrome (208073404370802).

The spelling of 204031400240400 in words is "two hundred four trillion, thirty-one billion, four hundred million, two hundred forty thousand, four hundred".