400504550200000 has 84 divisors (see below), whose sum is σ = 993375441402624. Its totient is φ = 160201820000000.

The previous prime is 400504550199983. The next prime is 400504550200019. The reversal of 400504550200000 is 2055405004.

It is a Harshad number since it is a multiple of its sum of digits (25).

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, 1001061376 + ... + 1001461375.

It is an arithmetic number, because the mean of its divisors is an integer number (11825898111936).

Almost surely, 2^{400504550200000} is an apocalyptic number.

400504550200000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400504550200000 is an abundant number, since it is smaller than the sum of its proper divisors (592870891202624).

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

400504550200000 is an frugal number, since it uses more digits than its factorization.

400504550200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002522788 (or 2002522758 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The spelling of 400504550200000 in words is "four hundred trillion, five hundred four billion, five hundred fifty million, two hundred thousand".