1438662572 has 48 divisors (see below), whose sum is σ = 2600488800. Its totient is φ = 696199680.

The previous prime is 1438662569. The next prime is 1438662583. The reversal of 1438662572 is 2752668341.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5348054 + ... + 5348322.

It is an arithmetic number, because the mean of its divisors is an integer number (54176850).

Almost surely, 2^1438662572 is an apocalyptic number.

It is an amenable number.

1438662572 is a deficient number, since it is larger than the sum of its proper divisors (1161826228).

1438662572 is a wasteful number, since it uses less digits than its factorization.

1438662572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626 (or 624 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 1438662572 is about 37929.7056671944. The cubic root of 1438662572 is about 1128.8935241642.

The spelling of 1438662572 in words is "one billion, four hundred thirty-eight million, six hundred sixty-two thousand, five hundred seventy-two".