3156550742 has 16 divisors (see below), whose sum is σ = 4753728000. Its totient is φ = 1571985600.

The previous prime is 3156550741. The next prime is 3156550753. The reversal of 3156550742 is 2470556513.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3156550696 and 3156550705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3156550741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801434 + ... + 805362.

It is an arithmetic number, because the mean of its divisors is an integer number (297108000).

Almost surely, 2^3156550742 is an apocalyptic number.

3156550742 is a deficient number, since it is larger than the sum of its proper divisors (1597177258).

3156550742 is a wasteful number, since it uses less digits than its factorization.

3156550742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5431.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 3156550742 is about 56183.1891405249. The cubic root of 3156550742 is about 1466.9126655439.

The spelling of 3156550742 in words is "three billion, one hundred fifty-six million, five hundred fifty thousand, seven hundred forty-two".