2255190390 has 64 divisors (see below), whose sum is σ = 6052259520. Its totient is φ = 597542400.

The previous prime is 2255190373. The next prime is 2255190401. The reversal of 2255190390 is 930915522.

It is a happy number.

2255190390 is a `hidden beast` number, since 2 + 255 + 19 + 0 + 390 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15790 + ... + 68990.

It is an arithmetic number, because the mean of its divisors is an integer number (94566555).

Almost surely, 2^2255190390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2255190390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3026129760).

2255190390 is an abundant number, since it is smaller than the sum of its proper divisors (3797069130).

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

2255190390 is a wasteful number, since it uses less digits than its factorization.

2255190390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53374 (or 53368 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 2255190390 is about 47488.8449006711. The cubic root of 2255190390 is about 1311.3775284809.

The spelling of 2255190390 in words is "two billion, two hundred fifty-five million, one hundred ninety thousand, three hundred ninety".