255152638400 has 84 divisors (see below), whose sum is σ = 684910913640. Its totient is φ = 92782771200.

The previous prime is 255152638309. The next prime is 255152638409. The reversal of 255152638400 is 4836251552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255152638409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7231055 + ... + 7266254.

Almost surely, 2^255152638400 is an apocalyptic number.

255152638400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255152638400 is an abundant number, since it is smaller than the sum of its proper divisors (429758275240).

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

255152638400 is a wasteful number, since it uses less digits than its factorization.

255152638400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14497342 (or 14497327 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

Adding to 255152638400 its reverse (4836251552), we get a palindrome (259988889952).

The spelling of 255152638400 in words is "two hundred fifty-five billion, one hundred fifty-two million, six hundred thirty-eight thousand, four hundred".