3722158817540 has 48 divisors (see below), whose sum is σ = 8237855841600. Its totient is φ = 1408800719232.

The previous prime is 3722158817527. The next prime is 3722158817579. The reversal of 3722158817540 is 457188512273.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5592794 + ... + 6222833.

It is an arithmetic number, because the mean of its divisors is an integer number (171621996700).

Almost surely, 2^{3722158817540} is an apocalyptic number.

It is an amenable number.

3722158817540 is an abundant number, since it is smaller than the sum of its proper divisors (4515697024060).

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

3722158817540 is a wasteful number, since it uses less digits than its factorization.

3722158817540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11816484 (or 11816482 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 3722158817540 in words is "three trillion, seven hundred twenty-two billion, one hundred fifty-eight million, eight hundred seventeen thousand, five hundred forty".