3156406542 has 40 divisors (see below), whose sum is σ = 7223188896. Its totient is φ = 1029747168.

The previous prime is 3156406531. The next prime is 3156406543. The reversal of 3156406542 is 2456046513.

3156406542 is a `hidden beast` number, since 3 + 1 + 5 + 640 + 6 + 5 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 3156406497 and 3156406506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156406543) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 199663 + ... + 214890.

Almost surely, 2^3156406542 is an apocalyptic number.

3156406542 is an abundant number, since it is smaller than the sum of its proper divisors (4066782354).

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

3156406542 is a wasteful number, since it uses less digits than its factorization.

3156406542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414614 (or 414605 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3156406542 is about 56181.9058238504. The cubic root of 3156406542 is about 1466.8903276562.

The spelling of 3156406542 in words is "three billion, one hundred fifty-six million, four hundred six thousand, five hundred forty-two".