2256252525420 has 48 divisors (see below), whose sum is σ = 6317636222688. Its totient is φ = 601655040000.

The previous prime is 2256252525403. The next prime is 2256252525437. The reversal of 2256252525420 is 245252526522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2256252525403) and next prime (2256252525437).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2791932 + ... + 3508188.

It is an arithmetic number, because the mean of its divisors is an integer number (131617421306).

Almost surely, 2^{2256252525420} is an apocalyptic number.

2256252525420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2256252525420 is an abundant number, since it is smaller than the sum of its proper divisors (4061383697268).

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

2256252525420 is a wasteful number, since it uses less digits than its factorization.

2256252525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768770 (or 768768 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 2256252525420 in words is "two trillion, two hundred fifty-six billion, two hundred fifty-two million, five hundred twenty-five thousand, four hundred twenty".