378255252 has 12 divisors (see below), whose sum is σ = 882595616. Its totient is φ = 126085080.

The previous prime is 378255247. The next prime is 378255257. The reversal of 378255252 is 252552873.

It is an interprime number because it is at equal distance from previous prime (378255247) and next prime (378255257).

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 378255252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378255257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15760624 + ... + 15760647.

Almost surely, 2^378255252 is an apocalyptic number.

It is an amenable number.

378255252 is an abundant number, since it is smaller than the sum of its proper divisors (504340364).

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

378255252 is a wasteful number, since it uses less digits than its factorization.

378255252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31521278 (or 31521276 counting only the distinct ones).

The product of its digits is 168000, while the sum is 39.

The square root of 378255252 is about 19448.7853605309. The cubic root of 378255252 is about 723.2053922714.

The spelling of 378255252 in words is "three hundred seventy-eight million, two hundred fifty-five thousand, two hundred fifty-two".