255361040022 has 96 divisors (see below), whose sum is σ = 613585808640. Its totient is φ = 70121874240.

The previous prime is 255361040017. The next prime is 255361040027. The reversal of 255361040022 is 220040163552.

It is an interprime number because it is at equal distance from previous prime (255361040017) and next prime (255361040027).

It is a super-2 number, since 2×255361040022² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255361040027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315004 + ... + 780992.

It is an arithmetic number, because the mean of its divisors is an integer number (6391518840).

Almost surely, 2^255361040022 is an apocalyptic number.

255361040022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 255361040022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306792904320).

255361040022 is an abundant number, since it is smaller than the sum of its proper divisors (358224768618).

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

255361040022 is a wasteful number, since it uses less digits than its factorization.

255361040022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466066 (or 466047 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 255361040022 in words is "two hundred fifty-five billion, three hundred sixty-one million, forty thousand, twenty-two".