1807407990964 has 24 divisors (see below), whose sum is σ = 3171431390400. Its totient is φ = 901287654720.

The previous prime is 1807407990929. The next prime is 1807407990979. The reversal of 1807407990964 is 4690997047081.

It is a junction number, because it is equal to n+sod(n) for n = 1807407990896 and 1807407990905.

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, 2119177 + ... + 2847055.

It is an arithmetic number, because the mean of its divisors is an integer number (132142974600).

Almost surely, 2^{1807407990964} is an apocalyptic number.

It is an amenable number.

1807407990964 is a deficient number, since it is larger than the sum of its proper divisors (1364023399436).

1807407990964 is a wasteful number, since it uses less digits than its factorization.

1807407990964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729543 (or 729541 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 64.

The spelling of 1807407990964 in words is "one trillion, eight hundred seven billion, four hundred seven million, nine hundred ninety thousand, nine hundred sixty-four".