72836400044 has 12 divisors (see below), whose sum is σ = 128035287744. Its totient is φ = 36254889264.

The previous prime is 72836400037. The next prime is 72836400101. The reversal of 72836400044 is 44000463827.

It is a junction number, because it is equal to n+sod(n) for n = 72836399980 and 72836400007.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40826687 + ... + 40828470.

It is an arithmetic number, because the mean of its divisors is an integer number (10669607312).

Almost surely, 2^72836400044 is an apocalyptic number.

It is an amenable number.

72836400044 is a deficient number, since it is larger than the sum of its proper divisors (55198887700).

72836400044 is a wasteful number, since it uses less digits than its factorization.

72836400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81655384 (or 81655382 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 38.

The spelling of 72836400044 in words is "seventy-two billion, eight hundred thirty-six million, four hundred thousand, forty-four".