2977373481640 has 32 divisors (see below), whose sum is σ = 6744050685000. Its totient is φ = 1182956441344.

The previous prime is 2977373481587. The next prime is 2977373481661. The reversal of 2977373481640 is 461843737792.

It is a happy number.

2977373481640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1372454424324 + 1604919057316 = 1171518^2 + 1266854^2 .

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, 249773695 + ... + 249785614.

Almost surely, 2^{2977373481640} is an apocalyptic number.

2977373481640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2977373481640 is an abundant number, since it is smaller than the sum of its proper divisors (3766677203360).

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

2977373481640 is a wasteful number, since it uses less digits than its factorization.

2977373481640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499559469 (or 499559465 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 61.

The spelling of 2977373481640 in words is "two trillion, nine hundred seventy-seven billion, three hundred seventy-three million, four hundred eighty-one thousand, six hundred forty".