2990761956 has 144 divisors (see below), whose sum is σ = 9794512000. Its totient is φ = 747242496.

The previous prime is 2990761931. The next prime is 2990761957. The reversal of 2990761956 is 6591670992.

2990761956 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2990761957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38220 + ... + 86268.

Almost surely, 2^2990761956 is an apocalyptic number.

2990761956 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2990761956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4897256000).

2990761956 is an abundant number, since it is smaller than the sum of its proper divisors (6803750044).

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

2990761956 is a wasteful number, since it uses less digits than its factorization.

2990761956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48098 (or 48093 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 2990761956 is about 54687.8593108196. The cubic root of 2990761956 is about 1440.7676520409.

The spelling of 2990761956 in words is "two billion, nine hundred ninety million, seven hundred sixty-one thousand, nine hundred fifty-six".