764477040458 has 32 divisors (see below), whose sum is σ = 1253315085264. Its totient is φ = 348253903872.

The previous prime is 764477040449. The next prime is 764477040463. The reversal of 764477040458 is 854040774467.

It can be written as a sum of positive squares in 8 ways, for example, as 637942456369 + 126534584089 = 798713^2 + 355717^2 .

It is a super-4 number, since 4×764477040458⁴ (a number of 49 digits) contains 4444 as substring.

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 15 ways as a sum of consecutive naturals, for example, 1294541 + ... + 1790192.

Almost surely, 2^764477040458 is an apocalyptic number.

764477040458 is a deficient number, since it is larger than the sum of its proper divisors (488838044806).

764477040458 is a wasteful number, since it uses less digits than its factorization.

764477040458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084986.

The product of its (nonzero) digits is 21073920, while the sum is 56.

The spelling of 764477040458 in words is "seven hundred sixty-four billion, four hundred seventy-seven million, forty thousand, four hundred fifty-eight".