2056991748 has 48 divisors (see below), whose sum is σ = 5487533184. Its totient is φ = 587473920.

The previous prime is 2056991747. The next prime is 2056991773. The reversal of 2056991748 is 8471996502.

It is a super-3 number, since 3×2056991748³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2056991748.

It is not an unprimeable number, because it can be changed into a prime (2056991743) 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, 386868 + ... + 392148.

It is an arithmetic number, because the mean of its divisors is an integer number (114323608).

Almost surely, 2^2056991748 is an apocalyptic number.

2056991748 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2056991748 is an abundant number, since it is smaller than the sum of its proper divisors (3430541436).

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

2056991748 is a wasteful number, since it uses less digits than its factorization.

2056991748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9932 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 2056991748 is about 45354.0709087949. The cubic root of 2056991748 is about 1271.7766582082.

The spelling of 2056991748 in words is "two billion, fifty-six million, nine hundred ninety-one thousand, seven hundred forty-eight".