2126992380 has 24 divisors (see below), whose sum is σ = 5955578832. Its totient is φ = 567197952.

The previous prime is 2126992363. The next prime is 2126992393. The reversal of 2126992380 is 832996212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17724877 + ... + 17724996.

It is an arithmetic number, because the mean of its divisors is an integer number (248149118).

Almost surely, 2^2126992380 is an apocalyptic number.

2126992380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2126992380 is an abundant number, since it is smaller than the sum of its proper divisors (3828586452).

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

2126992380 is a wasteful number, since it uses less digits than its factorization.

2126992380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35449885 (or 35449883 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2126992380 is about 46119.3276186893. The cubic root of 2126992380 is about 1286.0424713892.

The spelling of 2126992380 in words is "two billion, one hundred twenty-six million, nine hundred ninety-two thousand, three hundred eighty".