1438852664 has 16 divisors (see below), whose sum is σ = 2856546000. Its totient is φ = 677107072.

The previous prime is 1438852651. The next prime is 1438852717. The reversal of 1438852664 is 4662588341.

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, 5289764 + ... + 5290035.

It is an arithmetic number, because the mean of its divisors is an integer number (178534125).

Almost surely, 2^1438852664 is an apocalyptic number.

It is an amenable number.

1438852664 is a deficient number, since it is larger than the sum of its proper divisors (1417693336).

1438852664 is a wasteful number, since it uses less digits than its factorization.

1438852664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10579822 (or 10579818 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 1438852664 is about 37932.2114303925. The cubic root of 1438852664 is about 1128.9432426043.

The spelling of 1438852664 in words is "one billion, four hundred thirty-eight million, eight hundred fifty-two thousand, six hundred sixty-four".