3775661442 has 48 divisors (see below), whose sum is σ = 9359131392. Its totient is φ = 1077621120.

The previous prime is 3775661413. The next prime is 3775661453. The reversal of 3775661442 is 2441665773.

3775661442 is a `hidden beast` number, since 3 + 77 + 566 + 14 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107767 + ... + 138437.

It is an arithmetic number, because the mean of its divisors is an integer number (194981904).

Almost surely, 2^3775661442 is an apocalyptic number.

3775661442 is an abundant number, since it is smaller than the sum of its proper divisors (5583469950).

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

3775661442 is a wasteful number, since it uses less digits than its factorization.

3775661442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31663 (or 31660 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 3775661442 is about 61446.4111401146. The cubic root of 3775661442 is about 1557.1520252309.

The spelling of 3775661442 in words is "three billion, seven hundred seventy-five million, six hundred sixty-one thousand, four hundred forty-two".