726247672501340 has 48 divisors (see below), whose sum is σ = 1688599744401024. Its totient is φ = 260148419995200.

The previous prime is 726247672501331. The next prime is 726247672501397. The reversal of 726247672501340 is 43105276742627.

It is a super-2 number, since 2×726247672501340² (a number of 31 digits) contains 22 as substring.

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, 24635252306 + ... + 24635281785.

It is an arithmetic number, because the mean of its divisors is an integer number (35179161341688).

Almost surely, 2^{726247672501340} is an apocalyptic number.

It is an amenable number.

726247672501340 is an abundant number, since it is smaller than the sum of its proper divisors (962352071899684).

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

726247672501340 is a wasteful number, since it uses less digits than its factorization.

726247672501340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49270534178 (or 49270534176 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 56.

The spelling of 726247672501340 in words is "seven hundred twenty-six trillion, two hundred forty-seven billion, six hundred seventy-two million, five hundred one thousand, three hundred forty".