3157655742 has 48 divisors (see below), whose sum is σ = 6928740000. Its totient is φ = 1039180032.

The previous prime is 3157655731. The next prime is 3157655773. The reversal of 3157655742 is 2475567513.

It is a happy number.

3157655742 is a `hidden beast` number, since 3 + 1 + 5 + 76 + 5 + 574 + 2 = 666.

It is a congruent number.

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, 1679559 + ... + 1681437.

It is an arithmetic number, because the mean of its divisors is an integer number (144348750).

Almost surely, 2^3157655742 is an apocalyptic number.

3157655742 is an abundant number, since it is smaller than the sum of its proper divisors (3771084258).

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

3157655742 is a wasteful number, since it uses less digits than its factorization.

3157655742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3025 (or 3022 counting only the distinct ones).

The product of its digits is 882000, while the sum is 45.

The square root of 3157655742 is about 56193.0221824739. The cubic root of 3157655742 is about 1467.0838174878.

The spelling of 3157655742 in words is "three billion, one hundred fifty-seven million, six hundred fifty-five thousand, seven hundred forty-two".