2006457756 has 24 divisors (see below), whose sum is σ = 4808269200. Its totient is φ = 650742912.

The previous prime is 2006457743. The next prime is 2006457757. The reversal of 2006457756 is 6577546002.

It is a super-2 number, since 2×2006457756² = 8051745453225111072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006457757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2259081 + ... + 2259968.

It is an arithmetic number, because the mean of its divisors is an integer number (200344550).

Almost surely, 2^2006457756 is an apocalyptic number.

It is an amenable number.

2006457756 is an abundant number, since it is smaller than the sum of its proper divisors (2801811444).

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

2006457756 is a wasteful number, since it uses less digits than its factorization.

2006457756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4519093 (or 4519091 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 2006457756 is about 44793.5012697155. The cubic root of 2006457756 is about 1261.2756367939.

The spelling of 2006457756 in words is "two billion, six million, four hundred fifty-seven thousand, seven hundred fifty-six".