72441655038 has 12 divisors (see below), whose sum is σ = 156956919288. Its totient is φ = 24147218340.

The previous prime is 72441655037. The next prime is 72441655067. The reversal of 72441655038 is 83055614427.

72441655038 is a `hidden beast` number, since 7 + 24 + 41 + 6 + 550 + 38 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 72441654984 and 72441655002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72441655037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2012268178 + ... + 2012268213.

It is an arithmetic number, because the mean of its divisors is an integer number (13079743274).

Almost surely, 2^72441655038 is an apocalyptic number.

72441655038 is an abundant number, since it is smaller than the sum of its proper divisors (84515264250).

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

72441655038 is a wasteful number, since it uses less digits than its factorization.

72441655038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4024536399 (or 4024536396 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 72441655038 in words is "seventy-two billion, four hundred forty-one million, six hundred fifty-five thousand, thirty-eight".