2640263750 has 60 divisors (see below), whose sum is σ = 5223980916. Its totient is φ = 1000350000.

The previous prime is 2640263749. The next prime is 2640263777. The reversal of 2640263750 is 573620462.

It is a self number, because there is not a number n which added to its sum of digits gives 2640263750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 448325 + ... + 454175.

Almost surely, 2^2640263750 is an apocalyptic number.

2640263750 is a deficient number, since it is larger than the sum of its proper divisors (2583717166).

2640263750 is an equidigital number, since it uses as much as digits as its factorization.

2640263750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5877 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 2640263750 is about 51383.4968642657. The cubic root of 2640263750 is about 1382.1306703314.

The spelling of 2640263750 in words is "two billion, six hundred forty million, two hundred sixty-three thousand, seven hundred fifty".