2528057784 has 96 divisors (see below), whose sum is σ = 7369470720. Its totient is φ = 720586944.

The previous prime is 2528057771. The next prime is 2528057797. The reversal of 2528057784 is 4877508252.

It is an interprime number because it is at equal distance from previous prime (2528057771) and next prime (2528057797).

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 23 ways as a sum of consecutive naturals, for example, 542167 + ... + 546809.

It is an arithmetic number, because the mean of its divisors is an integer number (76765320).

Almost surely, 2^2528057784 is an apocalyptic number.

2528057784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2528057784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3684735360).

2528057784 is an abundant number, since it is smaller than the sum of its proper divisors (4841412936).

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

2528057784 is a wasteful number, since it uses less digits than its factorization.

2528057784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5129 (or 5118 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 48.

The square root of 2528057784 is about 50279.7949876489. The cubic root of 2528057784 is about 1362.2673007644.

The spelling of 2528057784 in words is "two billion, five hundred twenty-eight million, fifty-seven thousand, seven hundred eighty-four".