2299854257640 has 80 divisors (see below), whose sum is σ = 7730065710180. Its totient is φ = 613294467840.

The previous prime is 2299854257567. The next prime is 2299854257681. The reversal of 2299854257640 is 467524589922.

2299854257640 is a `hidden beast` number, since 2 + 2 + 9 + 9 + 8 + 54 + 2 + 576 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2243938088484 + 55916169156 = 1497978^2 + 236466^2 .

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354912541 + ... + 354919020.

Almost surely, 2^{2299854257640} is an apocalyptic number.

2299854257640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2299854257640 is an abundant number, since it is smaller than the sum of its proper divisors (5430211452540).

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

2299854257640 is a wasteful number, since it uses less digits than its factorization.

2299854257640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709831584 (or 709831571 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 2299854257640 in words is "two trillion, two hundred ninety-nine billion, eight hundred fifty-four million, two hundred fifty-seven thousand, six hundred forty".