1439276668 has 12 divisors (see below), whose sum is σ = 2550617440. Its totient is φ = 710528832.

The previous prime is 1439276611. The next prime is 1439276677. The reversal of 1439276668 is 8666729341.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 2277021 + ... + 2277652.

Almost surely, 2^1439276668 is an apocalyptic number.

It is an amenable number.

1439276668 is a deficient number, since it is larger than the sum of its proper divisors (1111340772).

1439276668 is a wasteful number, since it uses less digits than its factorization.

1439276668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554756 (or 4554754 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 52.

The square root of 1439276668 is about 37937.7999889292. The cubic root of 1439276668 is about 1129.0541248026.

The spelling of 1439276668 in words is "one billion, four hundred thirty-nine million, two hundred seventy-six thousand, six hundred sixty-eight".