76810257240 has 64 divisors (see below), whose sum is σ = 238376671200. Its totient is φ = 19776433152.

The previous prime is 76810257217. The next prime is 76810257283. The reversal of 76810257240 is 4275201867.

It is a junction number, because it is equal to n+sod(n) for n = 76810257192 and 76810257201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11032477 + ... + 11039436.

Almost surely, 2^76810257240 is an apocalyptic number.

It is an amenable number.

76810257240 is an abundant number, since it is smaller than the sum of its proper divisors (161566413960).

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

76810257240 is a wasteful number, since it uses less digits than its factorization.

76810257240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22071956 (or 22071952 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 42.

The spelling of 76810257240 in words is "seventy-six billion, eight hundred ten million, two hundred fifty-seven thousand, two hundred forty".