2793992640 has 112 divisors (see below), whose sum is σ = 8952646560. Its totient is φ = 738201600.

The previous prime is 2793992633. The next prime is 2793992657. The reversal of 2793992640 is 462993972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91290 + ... + 117990.

Almost surely, 2^2793992640 is an apocalyptic number.

2793992640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2793992640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4476323280).

2793992640 is an abundant number, since it is smaller than the sum of its proper divisors (6158653920).

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

2793992640 is a wasteful number, since it uses less digits than its factorization.

2793992640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26830 (or 26820 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 2793992640 is about 52858.2315254682. The cubic root of 2793992640 is about 1408.4510327582.

The spelling of 2793992640 in words is "two billion, seven hundred ninety-three million, nine hundred ninety-two thousand, six hundred forty".