255504005400000 has 1344 divisors, whose sum is σ = 1010554584367104. Its totient is φ = 55701803520000.

The previous prime is 255504005399959. The next prime is 255504005400019. The reversal of 255504005400000 is 4500405552.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 35452196397 + ... + 35452203603.

It is an arithmetic number, because the mean of its divisors is an integer number (751900732416).

Almost surely, 2^{255504005400000} is an apocalyptic number.

255504005400000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255504005400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505277292183552).

255504005400000 is an abundant number, since it is smaller than the sum of its proper divisors (755050578967104).

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

255504005400000 is an equidigital number, since it uses as much as digits as its factorization.

255504005400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7644 (or 7614 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

Adding to 255504005400000 its reverse (4500405552), we get a palindrome (255508505805552).

The spelling of 255504005400000 in words is "two hundred fifty-five trillion, five hundred four billion, five million, four hundred thousand".