3546240725538 has 80 divisors (see below), whose sum is σ = 9082045452480. Its totient is φ = 1013137209504.

The previous prime is 3546240725473. The next prime is 3546240725543. The reversal of 3546240725538 is 8355270426453.

3546240725538 is a `hidden beast` number, since 3 + 5 + 4 + 62 + 40 + 7 + 2 + 5 + 538 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16372833 + ... + 16588011.

It is an arithmetic number, because the mean of its divisors is an integer number (113525568156).

Almost surely, 2^{3546240725538} is an apocalyptic number.

3546240725538 is an abundant number, since it is smaller than the sum of its proper divisors (5535804726942).

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

3546240725538 is a wasteful number, since it uses less digits than its factorization.

3546240725538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229733 (or 229724 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 54.

The spelling of 3546240725538 in words is "three trillion, five hundred forty-six billion, two hundred forty million, seven hundred twenty-five thousand, five hundred thirty-eight".