255092840450400 has 144 divisors (see below), whose sum is σ = 833261216243904. Its totient is φ = 67784387105280.

The previous prime is 255092840450353. The next prime is 255092840450401. The reversal of 255092840450400 is 4054048290552.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 255092840450400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255092840450401) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 187109994 + ... + 188468393.

It is an arithmetic number, because the mean of its divisors is an integer number (5786536223916).

Almost surely, 2^{255092840450400} is an apocalyptic number.

255092840450400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255092840450400 is an abundant number, since it is smaller than the sum of its proper divisors (578168375793504).

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

255092840450400 is a wasteful number, since it uses less digits than its factorization.

255092840450400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375578693 (or 375578680 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 255092840450400 in words is "two hundred fifty-five trillion, ninety-two billion, eight hundred forty million, four hundred fifty thousand, four hundred".