761057457420 has 96 divisors (see below), whose sum is σ = 2343708315648. Its totient is φ = 183351313152.

The previous prime is 761057457409. The next prime is 761057457469. The reversal of 761057457420 is 24754750167.

It is a super-2 number, since 2×761057457420² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 761057457420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10343284 + ... + 10416603.

It is an arithmetic number, because the mean of its divisors is an integer number (24413628288).

Almost surely, 2^761057457420 is an apocalyptic number.

It is an amenable number.

761057457420 is an abundant number, since it is smaller than the sum of its proper divisors (1582650858228).

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

761057457420 is a wasteful number, since it uses less digits than its factorization.

761057457420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20759959 (or 20759957 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 48.

The spelling of 761057457420 in words is "seven hundred sixty-one billion, fifty-seven million, four hundred fifty-seven thousand, four hundred twenty".