1493504680 has 16 divisors (see below), whose sum is σ = 3360385620. Its totient is φ = 597401856.

The previous prime is 1493504641. The next prime is 1493504693. The reversal of 1493504680 is 864053941.

It can be written as a sum of positive squares in 2 ways, for example, as 1398909604 + 94595076 = 37402^2 + 9726^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 37337617 = 1493504680 / (1 + 4 + 9 + 3 + 5 + 0 + 4 + 6 + 8 + 0).

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, 18668769 + ... + 18668848.

Almost surely, 2^1493504680 is an apocalyptic number.

1493504680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1493504680 is an abundant number, since it is smaller than the sum of its proper divisors (1866880940).

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

1493504680 is a wasteful number, since it uses less digits than its factorization.

1493504680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37337628 (or 37337624 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 1493504680 is about 38645.8882677058. Note that the first 3 decimals coincide. The cubic root of 1493504680 is about 1143.0595662576.

The spelling of 1493504680 in words is "one billion, four hundred ninety-three million, five hundred four thousand, six hundred eighty".