2527640440 has 32 divisors (see below), whose sum is σ = 6124668480. Its totient is φ = 933282432.

The previous prime is 2527640429. The next prime is 2527640441. The reversal of 2527640440 is 440467252.

It is a junction number, because it is equal to n+sod(n) for n = 2527640396 and 2527640405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2527640441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2429904 + ... + 2430943.

It is an arithmetic number, because the mean of its divisors is an integer number (191395890).

Almost surely, 2^2527640440 is an apocalyptic number.

2527640440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2527640440 is an abundant number, since it is smaller than the sum of its proper divisors (3597028040).

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

2527640440 is a wasteful number, since it uses less digits than its factorization.

2527640440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860871 (or 4860867 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 2527640440 is about 50275.6446005419. The cubic root of 2527640440 is about 1362.1923334151.

The spelling of 2527640440 in words is "two billion, five hundred twenty-seven million, six hundred forty thousand, four hundred forty".