1493356656 has 40 divisors (see below), whose sum is σ = 4208552064. Its totient is φ = 452532160.

The previous prime is 1493356621. The next prime is 1493356663. The reversal of 1493356656 is 6566533941.

It is a super-2 number, since 2×1493356656² = 4460228204039004672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1413636 + ... + 1414691.

Almost surely, 2^1493356656 is an apocalyptic number.

1493356656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1493356656 is an abundant number, since it is smaller than the sum of its proper divisors (2715195408).

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

1493356656 is a wasteful number, since it uses less digits than its factorization.

1493356656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828349 (or 2828343 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 48.

The square root of 1493356656 is about 38643.9730876627. The cubic root of 1493356656 is about 1143.0218014302.

The spelling of 1493356656 in words is "one billion, four hundred ninety-three million, three hundred fifty-six thousand, six hundred fifty-six".