2640157248 has 56 divisors (see below), whose sum is σ = 7073879680. Its totient is φ = 868907520.

The previous prime is 2640157241. The next prime is 2640157249. The reversal of 2640157248 is 8427510462.

It is not an unprimeable number, because it can be changed into a prime (2640157241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71863 + ... + 102198.

It is an arithmetic number, because the mean of its divisors is an integer number (126319280).

Almost surely, 2^2640157248 is an apocalyptic number.

It is an amenable number.

2640157248 is an abundant number, since it is smaller than the sum of its proper divisors (4433722432).

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

2640157248 is a wasteful number, since it uses less digits than its factorization.

2640157248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174155 (or 174145 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 2640157248 is about 51382.4605093995. The cubic root of 2640157248 is about 1382.1120861199.

The spelling of 2640157248 in words is "two billion, six hundred forty million, one hundred fifty-seven thousand, two hundred forty-eight".