2259405140220 has 108 divisors (see below), whose sum is σ = 7116765017544. Its totient is φ = 602508002400.

The previous prime is 2259405140141. The next prime is 2259405140287. The reversal of 2259405140220 is 220415049522.

2259405140220 is a `hidden beast` number, since 2 + 2 + 594 + 0 + 5 + 1 + 40 + 2 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (108).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8478006 + ... + 8740445.

Almost surely, 2^{2259405140220} is an apocalyptic number.

2259405140220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259405140220 is an abundant number, since it is smaller than the sum of its proper divisors (4857359877324).

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

2259405140220 is an equidigital number, since it uses as much as digits as its factorization.

2259405140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17218484 (or 17218461 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 2259405140220 in words is "two trillion, two hundred fifty-nine billion, four hundred five million, one hundred forty thousand, two hundred twenty".