3155574140 has 12 divisors (see below), whose sum is σ = 6626705736. Its totient is φ = 1262229648.

The previous prime is 3155574133. The next prime is 3155574157. The reversal of 3155574140 is 414755513.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3155574140.

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, 78889334 + ... + 78889373.

It is an arithmetic number, because the mean of its divisors is an integer number (552225478).

Almost surely, 2^3155574140 is an apocalyptic number.

It is an amenable number.

3155574140 is an abundant number, since it is smaller than the sum of its proper divisors (3471131596).

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

3155574140 is a wasteful number, since it uses less digits than its factorization.

3155574140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157778716 (or 157778714 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 3155574140 is about 56174.4972385156. The cubic root of 3155574140 is about 1466.7613677373.

The spelling of 3155574140 in words is "three billion, one hundred fifty-five million, five hundred seventy-four thousand, one hundred forty".