408000521980 has 48 divisors (see below), whose sum is σ = 860637738240. Its totient is φ = 162471052800.

The previous prime is 408000521969. The next prime is 408000521989. The reversal of 408000521980 is 89125000804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408000521989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982600 + ... + 4083760.

It is an arithmetic number, because the mean of its divisors is an integer number (17929952880).

Almost surely, 2^408000521980 is an apocalyptic number.

It is an amenable number.

408000521980 is an abundant number, since it is smaller than the sum of its proper divisors (452637216260).

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

408000521980 is a wasteful number, since it uses less digits than its factorization.

408000521980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102070 (or 102068 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 408000521980 in words is "four hundred eight billion, five hundred twenty-one thousand, nine hundred eighty".