2259404140 has 24 divisors (see below), whose sum is σ = 5422570272. Its totient is φ = 774652800.

The previous prime is 2259404129. The next prime is 2259404141. The reversal of 2259404140 is 414049522.

2259404140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2259404141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8069161 + ... + 8069440.

It is an arithmetic number, because the mean of its divisors is an integer number (225940428).

Almost surely, 2^2259404140 is an apocalyptic number.

2259404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2259404140 is an abundant number, since it is smaller than the sum of its proper divisors (3163166132).

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

2259404140 is a wasteful number, since it uses less digits than its factorization.

2259404140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16138617 (or 16138615 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2259404140 is about 47533.1898782314. The cubic root of 2259404140 is about 1312.1937757550.

The spelling of 2259404140 in words is "two billion, two hundred fifty-nine million, four hundred four thousand, one hundred forty".