2288544285940 has 72 divisors (see below), whose sum is σ = 5560595318880. Its totient is φ = 788398015680.

The previous prime is 2288544285899. The next prime is 2288544285941. The reversal of 2288544285940 is 495824458822.

It is a happy number.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288544285941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24840322 + ... + 24932281.

It is an arithmetic number, because the mean of its divisors is an integer number (77230490540).

Almost surely, 2^{2288544285940} is an apocalyptic number.

2288544285940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2288544285940 is an abundant number, since it is smaller than the sum of its proper divisors (3272051032940).

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

2288544285940 is a wasteful number, since it uses less digits than its factorization.

2288544285940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49772653 (or 49772640 counting only the distinct ones).

The product of its (nonzero) digits is 58982400, while the sum is 61.

The spelling of 2288544285940 in words is "two trillion, two hundred eighty-eight billion, five hundred forty-four million, two hundred eighty-five thousand, nine hundred forty".