2756239740 has 36 divisors (see below), whose sum is σ = 8360594424. Its totient is φ = 734997216.

The previous prime is 2756239709. The next prime is 2756239741. The reversal of 2756239740 is 479326572.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756239741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7656042 + ... + 7656401.

It is an arithmetic number, because the mean of its divisors is an integer number (232238734).

Almost surely, 2^2756239740 is an apocalyptic number.

2756239740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2756239740 is an abundant number, since it is smaller than the sum of its proper divisors (5604354684).

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

2756239740 is a wasteful number, since it uses less digits than its factorization.

2756239740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15312458 (or 15312453 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 2756239740 is about 52499.9022856234. The cubic root of 2756239740 is about 1402.0785010749.

The spelling of 2756239740 in words is "two billion, seven hundred fifty-six million, two hundred thirty-nine thousand, seven hundred forty".