726337425108780 has 48 divisors (see below), whose sum is σ = 2259716433673440. Its totient is φ = 193689980028864.

The previous prime is 726337425108769. The next prime is 726337425108797. The reversal of 726337425108780 is 87801524733627.

It is a happy number.

726337425108780 is a `hidden beast` number, since 7 + 2 + 6 + 3 + 3 + 7 + 42 + 510 + 8 + 78 + 0 = 666.

It is a super-2 number, since 2×726337425108780² (a number of 31 digits) contains 22 as substring.

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, 672534652339 + ... + 672534653418.

It is an arithmetic number, because the mean of its divisors is an integer number (47077425701530).

Almost surely, 2^{726337425108780} is an apocalyptic number.

It is an amenable number.

726337425108780 is an abundant number, since it is smaller than the sum of its proper divisors (1533379008564660).

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

726337425108780 is a wasteful number, since it uses less digits than its factorization.

726337425108780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345069305775 (or 1345069305767 counting only the distinct ones).

The product of its (nonzero) digits is 94832640, while the sum is 63.

The spelling of 726337425108780 in words is "seven hundred twenty-six trillion, three hundred thirty-seven billion, four hundred twenty-five million, one hundred eight thousand, seven hundred eighty".