2971994256 has 405 divisors, whose sum is σ = 10818261363. Its totient is φ = 758862720.

The previous prime is 2971994227. The next prime is 2971994261. The reversal of 2971994256 is 6524991792.

The square root of 2971994256 is 54516.

It is a perfect power (a square), and thus also a powerful number.

2971994256 is a `hidden beast` number, since 29 + 7 + 199 + 425 + 6 = 666.

Its product of digits (2449440) is a multiple of the sum of its prime factors (168).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50372755 + ... + 50372813.

Almost surely, 2^2971994256 is an apocalyptic number.

2971994256 is the 54516-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971994256

2971994256 is an abundant number, since it is smaller than the sum of its proper divisors (7846267107).

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

2971994256 is a wasteful number, since it uses less digits than its factorization.

2971994256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 82 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The cubic root of 2971994256 is about 1437.7476130078.

The spelling of 2971994256 in words is "two billion, nine hundred seventy-one million, nine hundred ninety-four thousand, two hundred fifty-six".