2522551440 has 40 divisors (see below), whose sum is σ = 7819910208. Its totient is φ = 672680320.

The previous prime is 2522551439. The next prime is 2522551453. The reversal of 2522551440 is 441552252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2522551398 and 2522551407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5255076 + ... + 5255555.

Almost surely, 2^2522551440 is an apocalyptic number.

2522551440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522551440 is an abundant number, since it is smaller than the sum of its proper divisors (5297358768).

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

2522551440 is a wasteful number, since it uses less digits than its factorization.

2522551440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510647 (or 10510641 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2522551440 is about 50225.0081134886. The cubic root of 2522551440 is about 1361.2775336970.

The spelling of 2522551440 in words is "two billion, five hundred twenty-two million, five hundred fifty-one thousand, four hundred forty".