1493512520 has 16 divisors (see below), whose sum is σ = 3360403260. Its totient is φ = 597404992.

The previous prime is 1493512519. The next prime is 1493512547. The reversal of 1493512520 is 252153941.

It can be written as a sum of positive squares in 2 ways, for example, as 1385477284 + 108035236 = 37222^2 + 10394^2 .

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 3 ways as a sum of consecutive naturals, for example, 18668867 + ... + 18668946.

Almost surely, 2^1493512520 is an apocalyptic number.

1493512520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493512520 is an abundant number, since it is smaller than the sum of its proper divisors (1866890740).

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

1493512520 is a wasteful number, since it uses less digits than its factorization.

1493512520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337824 (or 37337820 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1493512520 is about 38645.9897013908. The cubic root of 1493512520 is about 1143.0615663789.

The spelling of 1493512520 in words is "one billion, four hundred ninety-three million, five hundred twelve thousand, five hundred twenty".