2655766740 has 48 divisors (see below), whose sum is σ = 8112162240. Its totient is φ = 643822080.

The previous prime is 2655766697. The next prime is 2655766747. The reversal of 2655766740 is 476675562.

2655766740 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 a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2655766740.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655766747) 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, 2011285 + ... + 2012604.

It is an arithmetic number, because the mean of its divisors is an integer number (169003380).

Almost surely, 2^2655766740 is an apocalyptic number.

2655766740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2655766740 is an abundant number, since it is smaller than the sum of its proper divisors (5456395500).

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

2655766740 is a wasteful number, since it uses less digits than its factorization.

2655766740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023912 (or 4023910 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The square root of 2655766740 is about 51534.1317963153. The cubic root of 2655766740 is about 1384.8305717928.

The spelling of 2655766740 in words is "two billion, six hundred fifty-five million, seven hundred sixty-six thousand, seven hundred forty".