2637540472 has 16 divisors (see below), whose sum is σ = 5651872560. Its totient is φ = 1130374464.

The previous prime is 2637540457. The next prime is 2637540487. The reversal of 2637540472 is 2740457362.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2637540457) and next prime (2637540487).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 23549413 + ... + 23549524.

It is an arithmetic number, because the mean of its divisors is an integer number (353242035).

Almost surely, 2^2637540472 is an apocalyptic number.

It is an amenable number.

2637540472 is an abundant number, since it is smaller than the sum of its proper divisors (3014332088).

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

2637540472 is a wasteful number, since it uses less digits than its factorization.

2637540472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47098950 (or 47098946 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 40.

The square root of 2637540472 is about 51356.9904881507. The cubic root of 2637540472 is about 1381.6553111455.

The spelling of 2637540472 in words is "two billion, six hundred thirty-seven million, five hundred forty thousand, four hundred seventy-two".