722457536360240 has 160 divisors (see below), whose sum is σ = 1712105074095360. Its totient is φ = 283437570124800.

The previous prime is 722457536360239. The next prime is 722457536360251. The reversal of 722457536360240 is 42063635754227.

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, 9667403675 + ... + 9667478405.

It is an arithmetic number, because the mean of its divisors is an integer number (10700656713096).

Almost surely, 2^{722457536360240} 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 722457536360240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856052537047680).

722457536360240 is an abundant number, since it is smaller than the sum of its proper divisors (989647537735120).

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

722457536360240 is a wasteful number, since it uses less digits than its factorization.

722457536360240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80411 (or 80405 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 56.

The spelling of 722457536360240 in words is "seven hundred twenty-two trillion, four hundred fifty-seven billion, five hundred thirty-six million, three hundred sixty thousand, two hundred forty".