1456662638 has 8 divisors (see below), whose sum is σ = 2200943232. Its totient is φ = 723014896.

The previous prime is 1456662553. The next prime is 1456662679. The reversal of 1456662638 is 8362666541.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1456662592 and 1456662601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2657870 + ... + 2658417.

It is an arithmetic number, because the mean of its divisors is an integer number (275117904).

Almost surely, 2^1456662638 is an apocalyptic number.

1456662638 is a deficient number, since it is larger than the sum of its proper divisors (744280594).

1456662638 is a wasteful number, since it uses less digits than its factorization.

1456662638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316426.

The product of its digits is 1244160, while the sum is 47.

The square root of 1456662638 is about 38166.2499860806. The cubic root of 1456662638 is about 1133.5821370902.

The spelling of 1456662638 in words is "one billion, four hundred fifty-six million, six hundred sixty-two thousand, six hundred thirty-eight".