408990460550 has 48 divisors (see below), whose sum is σ = 869482965600. Its totient is φ = 140211413760.

The previous prime is 408990460499. The next prime is 408990460607. The reversal of 408990460550 is 55064099804.

It is a super-2 number, since 2×408990460550² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3859676 + ... + 3964224.

It is an arithmetic number, because the mean of its divisors is an integer number (18114228450).

Almost surely, 2^408990460550 is an apocalyptic number.

408990460550 is an abundant number, since it is smaller than the sum of its proper divisors (460492505050).

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

408990460550 is a wasteful number, since it uses less digits than its factorization.

408990460550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115745 (or 115740 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 50.

The spelling of 408990460550 in words is "four hundred eight billion, nine hundred ninety million, four hundred sixty thousand, five hundred fifty".