408982061920 has 48 divisors (see below), whose sum is σ = 1017073819440. Its totient is φ = 154982674944.

The previous prime is 408982061903. The next prime is 408982061947. The reversal of 408982061920 is 29160289804.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67263747 + ... + 67269826.

It is an arithmetic number, because the mean of its divisors is an integer number (21189037905).

Almost surely, 2^408982061920 is an apocalyptic number.

408982061920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408982061920 is an abundant number, since it is smaller than the sum of its proper divisors (608091757520).

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

408982061920 is a wasteful number, since it uses less digits than its factorization.

408982061920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134533607 (or 134533599 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 408982061920 in words is "four hundred eight billion, nine hundred eighty-two million, sixty-one thousand, nine hundred twenty".