72502158132840 has 64 divisors (see below), whose sum is σ = 217693496721600. Its totient is φ = 19317284628992.

The previous prime is 72502158132779. The next prime is 72502158132857. The reversal of 72502158132840 is 4823185120527.

It is a super-3 number, since 3×72502158132840³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 72502158132840.

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, 259613085 + ... + 259892204.

It is an arithmetic number, because the mean of its divisors is an integer number (3401460886275).

Almost surely, 2^{72502158132840} is an apocalyptic number.

It is an amenable number.

72502158132840 is an abundant number, since it is smaller than the sum of its proper divisors (145191338588760).

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

72502158132840 is a wasteful number, since it uses less digits than its factorization.

72502158132840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519506466 (or 519506462 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 72502158132840 in words is "seventy-two trillion, five hundred two billion, one hundred fifty-eight million, one hundred thirty-two thousand, eight hundred forty".