1018378952 has 16 divisors (see below), whose sum is σ = 1915131660. Its totient is φ = 507677184.

The previous prime is 1018378919. The next prime is 1018378997. The reversal of 1018378952 is 2598738101.

It can be written as a sum of positive squares in 2 ways, for example, as 902041156 + 116337796 = 30034^2 + 10786^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186173 + ... + 191564.

Almost surely, 2^1018378952 is an apocalyptic number.

It is an amenable number.

1018378952 is a deficient number, since it is larger than the sum of its proper divisors (896752708).

1018378952 is a wasteful number, since it uses less digits than its factorization.

1018378952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378080 (or 378076 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 1018378952 is about 31912.0502631843. The cubic root of 1018378952 is about 1006.0891641554.

The spelling of 1018378952 in words is "one billion, eighteen million, three hundred seventy-eight thousand, nine hundred fifty-two".