2255800541640 has 128 divisors (see below), whose sum is σ = 6832817233920. Its totient is φ = 595759865600.

The previous prime is 2255800541633. The next prime is 2255800541647. The reversal of 2255800541640 is 461450085522.

It is an interprime number because it is at equal distance from previous prime (2255800541633) and next prime (2255800541647).

It is a junction number, because it is equal to n+sod(n) for n = 2255800541592 and 2255800541601.

It is not an unprimeable number, because it can be changed into a prime (2255800541647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4986055 + ... + 5419625.

It is an arithmetic number, because the mean of its divisors is an integer number (53381384640).

Almost surely, 2^{2255800541640} is an apocalyptic number.

2255800541640 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 2255800541640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3416408616960).

2255800541640 is an abundant number, since it is smaller than the sum of its proper divisors (4577016692280).

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

2255800541640 is a wasteful number, since it uses less digits than its factorization.

2255800541640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434003 (or 433999 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 2255800541640 in words is "two trillion, two hundred fifty-five billion, eight hundred million, five hundred forty-one thousand, six hundred forty".