2255543040000 has 240 divisors, whose sum is σ = 7514248701960. Its totient is φ = 601477120000.

The previous prime is 2255543039987. The next prime is 2255543040019. The reversal of 2255543040000 is 403455522.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a self number, because there is not a number n which added to its sum of digits gives 2255543040000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3546310 + ... + 4133690.

Almost surely, 2^{2255543040000} is an apocalyptic number.

2255543040000 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 2255543040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3757124350980).

2255543040000 is an abundant number, since it is smaller than the sum of its proper divisors (5258705661960).

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

2255543040000 is an frugal number, since it uses more digits than its factorization.

2255543040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587426 (or 587391 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 2255543040000 its reverse (403455522), we get a palindrome (2255946495522).

The spelling of 2255543040000 in words is "two trillion, two hundred fifty-five billion, five hundred forty-three million, forty thousand".