72252047234040 has 128 divisors (see below), whose sum is σ = 217377179228160. Its totient is φ = 19212085420544.

The previous prime is 72252047234011. The next prime is 72252047234041. The reversal of 72252047234040 is 4043274025227.

It is a junction number, because it is equal to n+sod(n) for n = 72252047233983 and 72252047234001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72252047234041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60195442 + ... + 61383998.

It is an arithmetic number, because the mean of its divisors is an integer number (1698259212720).

Almost surely, 2^{72252047234040} is an apocalyptic number.

It is an amenable number.

72252047234040 is an abundant number, since it is smaller than the sum of its proper divisors (145125131994120).

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

72252047234040 is a wasteful number, since it uses less digits than its factorization.

72252047234040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190021 (or 1190017 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 42.

The spelling of 72252047234040 in words is "seventy-two trillion, two hundred fifty-two billion, forty-seven million, two hundred thirty-four thousand, forty".