2540136372 has 48 divisors (see below), whose sum is σ = 6245252160. Its totient is φ = 801335808.

The previous prime is 2540136367. The next prime is 2540136407. The reversal of 2540136372 is 2736310452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244108 + ... + 254300.

It is an arithmetic number, because the mean of its divisors is an integer number (130109420).

Almost surely, 2^2540136372 is an apocalyptic number.

It is an amenable number.

2540136372 is an abundant number, since it is smaller than the sum of its proper divisors (3705115788).

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

2540136372 is a wasteful number, since it uses less digits than its factorization.

2540136372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11312 (or 11310 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 2540136372 is about 50399.7655946930. The cubic root of 2540136372 is about 1364.4334075910.

The spelling of 2540136372 in words is "two billion, five hundred forty million, one hundred thirty-six thousand, three hundred seventy-two".