2642566524 has 48 divisors (see below), whose sum is σ = 6661367328. Its totient is φ = 810517248.

The previous prime is 2642566501. The next prime is 2642566541. The reversal of 2642566524 is 4256652462.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 22734 + ... + 76170.

It is an arithmetic number, because the mean of its divisors is an integer number (138778486).

Almost surely, 2^2642566524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2642566524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3330683664).

2642566524 is an abundant number, since it is smaller than the sum of its proper divisors (4018800804).

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

2642566524 is a wasteful number, since it uses less digits than its factorization.

2642566524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53774 (or 53772 counting only the distinct ones).

The product of its digits is 691200, while the sum is 42.

The square root of 2642566524 is about 51405.8997003262. The cubic root of 2642566524 is about 1382.5323738505.

The spelling of 2642566524 in words is "two billion, six hundred forty-two million, five hundred sixty-six thousand, five hundred twenty-four".