2291740560 has 80 divisors (see below), whose sum is σ = 7893780480. Its totient is φ = 611130240.

The previous prime is 2291740559. The next prime is 2291740609. The reversal of 2291740560 is 650471922.

2291740560 is a `hidden beast` number, since 2 + 2 + 91 + 7 + 4 + 0 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×2291740560² = 10504149588698227200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 528336 + ... + 532655.

It is an arithmetic number, because the mean of its divisors is an integer number (98672256).

Almost surely, 2^2291740560 is an apocalyptic number.

2291740560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2291740560 is an abundant number, since it is smaller than the sum of its proper divisors (5602039920).

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

2291740560 is a wasteful number, since it uses less digits than its factorization.

2291740560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061013 (or 1061001 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2291740560 is about 47872.1271722910. The cubic root of 2291740560 is about 1318.4241525222.

The spelling of 2291740560 in words is "two billion, two hundred ninety-one million, seven hundred forty thousand, five hundred sixty".