2522989440 has 192 divisors, whose sum is σ = 8738552160. Its totient is φ = 670765056.

The previous prime is 2522989433. The next prime is 2522989451. The reversal of 2522989440 is 449892252.

2522989440 is a `hidden beast` number, since 2 + 522 + 9 + 89 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3726382 + ... + 3727058.

Almost surely, 2^2522989440 is an apocalyptic number.

2522989440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2522989440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4369276080).

2522989440 is an abundant number, since it is smaller than the sum of its proper divisors (6215562720).

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

2522989440 is a wasteful number, since it uses less digits than its factorization.

2522989440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1349 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2522989440 is about 50229.3683018212. The cubic root of 2522989440 is about 1361.3563170332.

The spelling of 2522989440 in words is "two billion, five hundred twenty-two million, nine hundred eighty-nine thousand, four hundred forty".