2091440976 has 20 divisors (see below), whose sum is σ = 5402889312. Its totient is φ = 697146976.

The previous prime is 2091440971. The next prime is 2091440987. The reversal of 2091440976 is 6790441902.

2091440976 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091440971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21785796 + ... + 21785891.

Almost surely, 2^2091440976 is an apocalyptic number.

It is an amenable number.

2091440976 is an abundant number, since it is smaller than the sum of its proper divisors (3311448336).

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

2091440976 is a wasteful number, since it uses less digits than its factorization.

2091440976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43571698 (or 43571692 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 2091440976 is about 45732.2749926133. The cubic root of 2091440976 is about 1278.8370328779.

The spelling of 2091440976 in words is "two billion, ninety-one million, four hundred forty thousand, nine hundred seventy-six".