255378102 has 48 divisors (see below), whose sum is σ = 597698352. Its totient is φ = 72528960.

The previous prime is 255378091. The next prime is 255378121. The reversal of 255378102 is 201873552.

It is a super-2 number, since 2×255378102² = 130435949962244808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48352 + ... + 53372.

It is an arithmetic number, because the mean of its divisors is an integer number (12452049).

Almost surely, 2^255378102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255378102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298849176).

255378102 is an abundant number, since it is smaller than the sum of its proper divisors (342320250).

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

255378102 is a wasteful number, since it uses less digits than its factorization.

255378102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5213 (or 5206 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 255378102 is about 15980.5538702512. The cubic root of 255378102 is about 634.4458364022.

The spelling of 255378102 in words is "two hundred fifty-five million, three hundred seventy-eight thousand, one hundred two".