3120847380 has 120 divisors (see below), whose sum is σ = 11188856448. Its totient is φ = 713333952.

The previous prime is 3120847357. The next prime is 3120847397. The reversal of 3120847380 is 837480213.

3120847380 is a `hidden beast` number, since 31 + 208 + 47 + 380 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 126264 + ... + 148943.

Almost surely, 2^3120847380 is an apocalyptic number.

3120847380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3120847380 is an abundant number, since it is smaller than the sum of its proper divisors (8068009068).

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

3120847380 is a wasteful number, since it uses less digits than its factorization.

3120847380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275235 (or 275224 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 3120847380 is about 55864.5449278878. The cubic root of 3120847380 is about 1461.3609908710.

The spelling of 3120847380 in words is "three billion, one hundred twenty million, eight hundred forty-seven thousand, three hundred eighty".