2640824960 has 32 divisors (see below), whose sum is σ = 6313223700. Its totient is φ = 1056329728.

The previous prime is 2640824959. The next prime is 2640824969. The reversal of 2640824960 is 694280462.

It can be written as a sum of positive squares in 2 ways, for example, as 2594476096 + 46348864 = 50936^2 + 6808^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (2640824969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2062505 + ... + 2063784.

Almost surely, 2^2640824960 is an apocalyptic number.

2640824960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2640824960 is an abundant number, since it is smaller than the sum of its proper divisors (3672398740).

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

2640824960 is an equidigital number, since it uses as much as digits as its factorization.

2640824960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126308 (or 4126296 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2640824960 is about 51388.9575687229. The cubic root of 2640824960 is about 1382.2285911801.

The spelling of 2640824960 in words is "two billion, six hundred forty million, eight hundred twenty-four thousand, nine hundred sixty".