72877005256040 has 96 divisors (see below), whose sum is σ = 174228327842400. Its totient is φ = 27429402362880.

The previous prime is 72877005256009. The next prime is 72877005256063. The reversal of 72877005256040 is 4065250077827.

It is a super-2 number, since 2×72877005256040² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47085275 + ... + 48608405.

It is an arithmetic number, because the mean of its divisors is an integer number (1814878415025).

Almost surely, 2^{72877005256040} 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 72877005256040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87114163921200).

72877005256040 is an abundant number, since it is smaller than the sum of its proper divisors (101351322586360).

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

72877005256040 is a wasteful number, since it uses less digits than its factorization.

72877005256040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527315 (or 1527294 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 53.

The spelling of 72877005256040 in words is "seventy-two trillion, eight hundred seventy-seven billion, five million, two hundred fifty-six thousand, forty".