2557004802 has 64 divisors (see below), whose sum is σ = 5656089600. Its totient is φ = 764210880.

The previous prime is 2557004777. The next prime is 2557004809. The reversal of 2557004802 is 2084007552.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2557004809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1531224 + ... + 1532892.

It is an arithmetic number, because the mean of its divisors is an integer number (88376400).

Almost surely, 2^2557004802 is an apocalyptic number.

2557004802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2557004802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2828044800).

2557004802 is an abundant number, since it is smaller than the sum of its proper divisors (3099084798).

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

2557004802 is a wasteful number, since it uses less digits than its factorization.

2557004802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 2557004802 is about 50566.8350008185. The cubic root of 2557004802 is about 1367.4470369973.

The spelling of 2557004802 in words is "two billion, five hundred fifty-seven million, four thousand, eight hundred two".