2642964660 has 96 divisors (see below), whose sum is σ = 9397221120. Its totient is φ = 604105344.

The previous prime is 2642964659. The next prime is 2642964697. The reversal of 2642964660 is 664692462.

2642964660 is a `hidden beast` number, since 264 + 296 + 46 + 60 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345819 + ... + 353378.

It is an arithmetic number, because the mean of its divisors is an integer number (97887720).

Almost surely, 2^2642964660 is an apocalyptic number.

2642964660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2642964660 is an abundant number, since it is smaller than the sum of its proper divisors (6754256460).

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

2642964660 is a wasteful number, since it uses less digits than its factorization.

2642964660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699222 (or 699214 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The square root of 2642964660 is about 51409.7720282827. The cubic root of 2642964660 is about 1382.6018023477.

The spelling of 2642964660 in words is "two billion, six hundred forty-two million, nine hundred sixty-four thousand, six hundred sixty".