2255698969524 has 432 divisors, whose sum is σ = 8119714861440. Its totient is φ = 512360640000.

The previous prime is 2255698969477. The next prime is 2255698969529. The reversal of 2255698969524 is 4259698965522.

2255698969524 is a `hidden beast` number, since 2 + 2 + 5 + 5 + 6 + 9 + 8 + 96 + 9 + 524 = 666.

It is a super-2 number, since 2×2255698969524² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255698969529) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 7381774 + ... + 7681274.

Almost surely, 2^{2255698969524} 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 2255698969524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4059857430720).

2255698969524 is an abundant number, since it is smaller than the sum of its proper divisors (5864015891916).

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

2255698969524 is a wasteful number, since it uses less digits than its factorization.

2255698969524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299572 (or 299556 counting only the distinct ones).

The product of its digits is 839808000, while the sum is 72.

It can be divided in two parts, 225569896 and 9524, that added together give a triangular number (225579420 = T₂₁₂₄₀).

The spelling of 2255698969524 in words is "two trillion, two hundred fifty-five billion, six hundred ninety-eight million, nine hundred sixty-nine thousand, five hundred twenty-four".