408664062648 has 64 divisors (see below), whose sum is σ = 1135961164800. Its totient is φ = 136127368800.

The previous prime is 408664062637. The next prime is 408664062689. The reversal of 408664062648 is 846260466804.

408664062648 is a `hidden beast` number, since 4 + 0 + 8 + 6 + 6 + 4 + 0 + 626 + 4 + 8 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 408664062594 and 408664062603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 338536 + ... + 965367.

It is an arithmetic number, because the mean of its divisors is an integer number (17749393200).

Almost surely, 2^408664062648 is an apocalyptic number.

It is an amenable number.

408664062648 is an abundant number, since it is smaller than the sum of its proper divisors (727297102152).

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

408664062648 is a wasteful number, since it uses less digits than its factorization.

408664062648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305369 (or 1305359 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 54.

The spelling of 408664062648 in words is "four hundred eight billion, six hundred sixty-four million, sixty-two thousand, six hundred forty-eight".