408747704652 has 48 divisors (see below), whose sum is σ = 1211104312320. Its totient is φ = 116785058256.

The previous prime is 408747704641. The next prime is 408747704663. The reversal of 408747704652 is 256407747804.

408747704652 is a `hidden beast` number, since 4 + 0 + 87 + 477 + 0 + 46 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (408747704641) and next prime (408747704663).

It is a super-2 number, since 2×408747704652² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270335028 + ... + 270336539.

It is an arithmetic number, because the mean of its divisors is an integer number (25231339840).

Almost surely, 2^408747704652 is an apocalyptic number.

408747704652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

408747704652 is an abundant number, since it is smaller than the sum of its proper divisors (802356607668).

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

408747704652 is a wasteful number, since it uses less digits than its factorization.

408747704652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540671587 (or 540671579 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 54.

The spelling of 408747704652 in words is "four hundred eight billion, seven hundred forty-seven million, seven hundred four thousand, six hundred fifty-two".