405054338800 has 30 divisors (see below), whose sum is σ = 973143049928. Its totient is φ = 162021735360.

The previous prime is 405054338791. The next prime is 405054338803. The reversal of 405054338800 is 8833450504.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405054338803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506317524 + ... + 506318323.

Almost surely, 2^405054338800 is an apocalyptic number.

405054338800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405054338800 is an abundant number, since it is smaller than the sum of its proper divisors (568088711128).

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

405054338800 is a wasteful number, since it uses less digits than its factorization.

405054338800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012635865 (or 1012635854 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 405054338800 in words is "four hundred five billion, fifty-four million, three hundred thirty-eight thousand, eight hundred".