2957220144 has 40 divisors (see below), whose sum is σ = 8488318320. Its totient is φ = 985739904.

The previous prime is 2957220139. The next prime is 2957220181. The reversal of 2957220144 is 4410227592.

2957220144 is a `hidden beast` number, since 29 + 572 + 20 + 1 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2957220099 and 2957220108.

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, 3422277 + ... + 3423140.

It is an arithmetic number, because the mean of its divisors is an integer number (212207958).

Almost surely, 2^2957220144 is an apocalyptic number.

2957220144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2957220144 is an abundant number, since it is smaller than the sum of its proper divisors (5531098176).

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

2957220144 is a wasteful number, since it uses less digits than its factorization.

2957220144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6845434 (or 6845422 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 2957220144 is about 54380.3286492460. The cubic root of 2957220144 is about 1435.3612535675.

The spelling of 2957220144 in words is "two billion, nine hundred fifty-seven million, two hundred twenty thousand, one hundred forty-four".