408772531968 has 72 divisors (see below), whose sum is σ = 1088161688208. Its totient is φ = 136228626432.

The previous prime is 408772531967. The next prime is 408772531987. The reversal of 408772531968 is 869135277804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408772531967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3734596 + ... + 3842492.

It is a 1-persistent number, because it is pandigital, but 2⋅408772531968 = 817545063936 is not.

Almost surely, 2^408772531968 is an apocalyptic number.

408772531968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

408772531968 is an abundant number, since it is smaller than the sum of its proper divisors (679389156240).

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

408772531968 is a wasteful number, since it uses less digits than its factorization.

408772531968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112849 (or 112835 counting only the distinct ones).

The product of its (nonzero) digits is 20321280, while the sum is 60.

The spelling of 408772531968 in words is "four hundred eight billion, seven hundred seventy-two million, five hundred thirty-one thousand, nine hundred sixty-eight".