2159940796 has 24 divisors (see below), whose sum is σ = 4075333920. Its totient is φ = 995750592.

The previous prime is 2159940791. The next prime is 2159940799. The reversal of 2159940796 is 6970499512.

It is a super-2 number, since 2×2159940796² = 9330688484450227232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159940791) 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, 22710 + ... + 69538.

It is an arithmetic number, because the mean of its divisors is an integer number (169805580).

Almost surely, 2^2159940796 is an apocalyptic number.

2159940796 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2159940796 is a deficient number, since it is larger than the sum of its proper divisors (1915393124).

2159940796 is a wasteful number, since it uses less digits than its factorization.

2159940796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47733 (or 47731 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 2159940796 is about 46475.1632164966. The cubic root of 2159940796 is about 1292.6490036194.

The spelling of 2159940796 in words is "two billion, one hundred fifty-nine million, nine hundred forty thousand, seven hundred ninety-six".