3155440984 has 16 divisors (see below), whose sum is σ = 5963040000. Its totient is φ = 1565296992.

The previous prime is 3155440969. The next prime is 3155440997. The reversal of 3155440984 is 4890445513.

It is a self number, because there is not a number n which added to its sum of digits gives 3155440984.

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, 1551859 + ... + 1553890.

It is an arithmetic number, because the mean of its divisors is an integer number (372690000).

Almost surely, 2^3155440984 is an apocalyptic number.

It is an amenable number.

3155440984 is a deficient number, since it is larger than the sum of its proper divisors (2807599016).

3155440984 is a wasteful number, since it uses less digits than its factorization.

3155440984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105882 (or 3105878 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 3155440984 is about 56173.3120262639. The cubic root of 3155440984 is about 1466.7407364337.

The spelling of 3155440984 in words is "three billion, one hundred fifty-five million, four hundred forty thousand, nine hundred eighty-four".