40724720416 has 48 divisors (see below), whose sum is σ = 84179571840. Its totient is φ = 19366744320.

The previous prime is 40724720357. The next prime is 40724720423. The reversal of 40724720416 is 61402742704.

40724720416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40724720416² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265320 + ... + 389671.

It is an arithmetic number, because the mean of its divisors is an integer number (1753741080).

Almost surely, 2^40724720416 is an apocalyptic number.

It is an amenable number.

40724720416 is an abundant number, since it is smaller than the sum of its proper divisors (43454851424).

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

40724720416 is a wasteful number, since it uses less digits than its factorization.

40724720416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655097 (or 655089 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The spelling of 40724720416 in words is "forty billion, seven hundred twenty-four million, seven hundred twenty thousand, four hundred sixteen".