6458400723712 has 72 divisors (see below), whose sum is σ = 14734326204416. Its totient is φ = 2767679456256.

The previous prime is 6458400723689. The next prime is 6458400723791. The reversal of 6458400723712 is 2173270048546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25216843 + ... + 25471669.

Almost surely, 2^{6458400723712} is an apocalyptic number.

It is an amenable number.

6458400723712 is an abundant number, since it is smaller than the sum of its proper divisors (8275925480704).

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

6458400723712 is a wasteful number, since it uses less digits than its factorization.

6458400723712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268993 (or 268979 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 6458400723712 in words is "six trillion, four hundred fifty-eight billion, four hundred million, seven hundred twenty-three thousand, seven hundred twelve".