715646426880 has 1944 divisors, whose sum is σ = 3167975086416. Its totient is φ = 136703508480.

The previous prime is 715646426867. The next prime is 715646426893. The reversal of 715646426880 is 88624646517.

It is an interprime number because it is at equal distance from previous prime (715646426867) and next prime (715646426893).

It is a super-2 number, since 2×715646426880² (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 715646426880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 16642940139 + ... + 16642940181.

It is an arithmetic number, because the mean of its divisors is an integer number (1629616814).

Almost surely, 2^715646426880 is an apocalyptic number.

715646426880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 715646426880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583987543208).

715646426880 is an abundant number, since it is smaller than the sum of its proper divisors (2452328659536).

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

715646426880 is a wasteful number, since it uses less digits than its factorization.

715646426880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 57.

The spelling of 715646426880 in words is "seven hundred fifteen billion, six hundred forty-six million, four hundred twenty-six thousand, eight hundred eighty".