2920640896 has 48 divisors (see below), whose sum is σ = 5931048060. Its totient is φ = 1432590848.

The previous prime is 2920640887. The next prime is 2920640897. The reversal of 2920640896 is 6980460292.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2920640897) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 355491 + ... + 363613.

Almost surely, 2^2920640896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2920640896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965524030).

2920640896 is an abundant number, since it is smaller than the sum of its proper divisors (3010407164).

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

2920640896 is an frugal number, since it uses more digits than its factorization.

2920640896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8243 (or 8178 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 2920640896 is about 54042.9541753594. The cubic root of 2920640896 is about 1429.4184630678.

The spelling of 2920640896 in words is "two billion, nine hundred twenty million, six hundred forty thousand, eight hundred ninety-six".