2525555802 has 384 divisors, whose sum is σ = 7413202944. Its totient is φ = 557568000.

The previous prime is 2525555749. The next prime is 2525555869. The reversal of 2525555802 is 2085555252.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 61598902 + ... + 61598942.

It is an arithmetic number, because the mean of its divisors is an integer number (19305216).

Almost surely, 2^2525555802 is an apocalyptic number.

2525555802 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 2525555802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706601472).

2525555802 is an abundant number, since it is smaller than the sum of its proper divisors (4887647142).

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

2525555802 is a wasteful number, since it uses less digits than its factorization.

2525555802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 39.

The square root of 2525555802 is about 50254.9082379025. The cubic root of 2525555802 is about 1361.8177470516.

The spelling of 2525555802 in words is "two billion, five hundred twenty-five million, five hundred fifty-five thousand, eight hundred two".