715065625640 has 128 divisors (see below), whose sum is σ = 1641680006400. Its totient is φ = 280253890560.

The previous prime is 715065625633. The next prime is 715065625679. The reversal of 715065625640 is 46526560517.

715065625640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×715065625640² (a number of 25 digits) contains 22 as substring.

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, 428438726 + ... + 428440394.

It is an arithmetic number, because the mean of its divisors is an integer number (12825625050).

Almost surely, 2^715065625640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715065625640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (820840003200).

715065625640 is an abundant number, since it is smaller than the sum of its proper divisors (926614380760).

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

715065625640 is a wasteful number, since it uses less digits than its factorization.

715065625640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 2591 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 715065625640 in words is "seven hundred fifteen billion, sixty-five million, six hundred twenty-five thousand, six hundred forty".