3156425440 has 48 divisors (see below), whose sum is σ = 8522351712. Its totient is φ = 1082202624.

The previous prime is 3156425413. The next prime is 3156425473. The reversal of 3156425440 is 445246513.

It is a junction number, because it is equal to n+sod(n) for n = 3156425396 and 3156425405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1407999 + ... + 1410238.

It is an arithmetic number, because the mean of its divisors is an integer number (177548994).

Almost surely, 2^3156425440 is an apocalyptic number.

It is an amenable number.

3156425440 is an abundant number, since it is smaller than the sum of its proper divisors (5365926272).

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

3156425440 is a wasteful number, since it uses less digits than its factorization.

3156425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818259 (or 2818251 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 3156425440 is about 56182.0740094205. The cubic root of 3156425440 is about 1466.8932551665.

The spelling of 3156425440 in words is "three billion, one hundred fifty-six million, four hundred twenty-five thousand, four hundred forty".