6251404266464 has 96 divisors (see below), whose sum is σ = 14682531225600. Its totient is φ = 2563616056320.

The previous prime is 6251404266463. The next prime is 6251404266493. The reversal of 6251404266464 is 4646624041526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6251404266463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4439624 + ... + 5675655.

It is an arithmetic number, because the mean of its divisors is an integer number (152943033600).

Almost surely, 2^{6251404266464} is an apocalyptic number.

It is an amenable number.

6251404266464 is an abundant number, since it is smaller than the sum of its proper divisors (8431126959136).

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

6251404266464 is a wasteful number, since it uses less digits than its factorization.

6251404266464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10115416 (or 10115408 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 6251404266464 in words is "six trillion, two hundred fifty-one billion, four hundred four million, two hundred sixty-six thousand, four hundred sixty-four".