40715453538 has 24 divisors (see below), whose sum is σ = 88220604108. Its totient is φ = 13571235072.

The previous prime is 40715453503. The next prime is 40715453557. The reversal of 40715453538 is 83535451704.

It is a happy number.

40715453538 is a `hidden beast` number, since 4 + 0 + 71 + 5 + 45 + 3 + 538 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 35143876089 + 5571577449 = 187467^2 + 74643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40715453493 and 40715453502.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 668070 + ... + 726462.

Almost surely, 2^40715453538 is an apocalyptic number.

40715453538 is an abundant number, since it is smaller than the sum of its proper divisors (47505150570).

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

40715453538 is a wasteful number, since it uses less digits than its factorization.

40715453538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97138 (or 97135 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 40715453538 in words is "forty billion, seven hundred fifteen million, four hundred fifty-three thousand, five hundred thirty-eight".