1438682252 has 12 divisors (see below), whose sum is σ = 2877364560. Its totient is φ = 616578096.

The previous prime is 1438682237. The next prime is 1438682309. The reversal of 1438682252 is 2522868341.

1438682252 is an admirable number.

It is a super-3 number, since 3×1438682252³ (a number of 28 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 25690727 + ... + 25690782.

It is an arithmetic number, because the mean of its divisors is an integer number (239780380).

Almost surely, 2^1438682252 is an apocalyptic number.

It is an amenable number.

1438682252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1438682252 is a wasteful number, since it uses less digits than its factorization.

1438682252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51381520 (or 51381518 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 1438682252 is about 37929.9650935774. The cubic root of 1438682252 is about 1128.8986716587.

The spelling of 1438682252 in words is "one billion, four hundred thirty-eight million, six hundred eighty-two thousand, two hundred fifty-two".