2497556464 has 20 divisors (see below), whose sum is σ = 5211248056. Its totient is φ = 1152718272.

The previous prime is 2497556461. The next prime is 2497556497. The reversal of 2497556464 is 4646557942.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2497556461) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6003534 + ... + 6003949.

Almost surely, 2^2497556464 is an apocalyptic number.

It is an amenable number.

2497556464 is an abundant number, since it is smaller than the sum of its proper divisors (2713691592).

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

2497556464 is a wasteful number, since it uses less digits than its factorization.

2497556464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12007504 (or 12007498 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 52.

The square root of 2497556464 is about 49975.5586662120. The cubic root of 2497556464 is about 1356.7664790088.

The spelling of 2497556464 in words is "two billion, four hundred ninety-seven million, five hundred fifty-six thousand, four hundred sixty-four".