3540123644 has 12 divisors (see below), whose sum is σ = 6195798168. Its totient is φ = 1769895600.

The previous prime is 3540123611. The next prime is 3540123661. The reversal of 3540123644 is 4463210453.

It is a self number, because there is not a number n which added to its sum of digits gives 3540123644.

It is a congruent number.

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, 14879 + ... + 85449.

It is an arithmetic number, because the mean of its divisors is an integer number (516316514).

Almost surely, 2^3540123644 is an apocalyptic number.

It is an amenable number.

3540123644 is a deficient number, since it is larger than the sum of its proper divisors (2655674524).

3540123644 is a wasteful number, since it uses less digits than its factorization.

3540123644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83116 (or 83114 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 3540123644 is about 59498.9381753994. The cubic root of 3540123644 is about 1524.0743132842.

The spelling of 3540123644 in words is "three billion, five hundred forty million, one hundred twenty-three thousand, six hundred forty-four".