2664764620 has 48 divisors (see below), whose sum is σ = 6771643200. Its totient is φ = 859889664.

The previous prime is 2664764579. The next prime is 2664764621. The reversal of 2664764620 is 264674662.

2664764620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2664764621) 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, 557445 + ... + 562204.

It is an arithmetic number, because the mean of its divisors is an integer number (141075900).

Almost surely, 2^2664764620 is an apocalyptic number.

2664764620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2664764620 is an abundant number, since it is smaller than the sum of its proper divisors (4106878580).

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

2664764620 is a wasteful number, since it uses less digits than its factorization.

2664764620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119682 (or 1119680 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The square root of 2664764620 is about 51621.3581766307. The cubic root of 2664764620 is about 1386.3927689066.

The spelling of 2664764620 in words is "two billion, six hundred sixty-four million, seven hundred sixty-four thousand, six hundred twenty".