2757438768 has 40 divisors (see below), whose sum is σ = 8141010688. Its totient is φ = 787839552.

The previous prime is 2757438767. The next prime is 2757438773. The reversal of 2757438768 is 8678347572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2757438763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4102996 + ... + 4103667.

Almost surely, 2^2757438768 is an apocalyptic number.

2757438768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2757438768 is an abundant number, since it is smaller than the sum of its proper divisors (5383571920).

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

2757438768 is a wasteful number, since it uses less digits than its factorization.

2757438768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206681 (or 8206675 counting only the distinct ones).

The product of its digits is 15805440, while the sum is 57.

The square root of 2757438768 is about 52511.3203795144. The cubic root of 2757438768 is about 1402.2817837863.

The spelling of 2757438768 in words is "two billion, seven hundred fifty-seven million, four hundred thirty-eight thousand, seven hundred sixty-eight".