2977192140 has 48 divisors (see below), whose sum is σ = 8977381728. Its totient is φ = 732847104.

The previous prime is 2977192139. The next prime is 2977192147. The reversal of 2977192140 is 412917792.

It is a junction number, because it is equal to n+sod(n) for n = 2977192092 and 2977192101.

It is not an unprimeable number, because it can be changed into a prime (2977192147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1907677 + ... + 1909236.

It is an arithmetic number, because the mean of its divisors is an integer number (187028786).

Almost surely, 2^2977192140 is an apocalyptic number.

2977192140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2977192140 is an abundant number, since it is smaller than the sum of its proper divisors (6000189588).

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

2977192140 is a wasteful number, since it uses less digits than its factorization.

2977192140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816938 (or 3816936 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 2977192140 is about 54563.6521871474. The cubic root of 2977192140 is about 1438.5853100903.

The spelling of 2977192140 in words is "two billion, nine hundred seventy-seven million, one hundred ninety-two thousand, one hundred forty".