1490393520 has 800 divisors, whose sum is σ = 6740997120. Its totient is φ = 296110080.

The previous prime is 1490393503. The next prime is 1490393521. The reversal of 1490393520 is 253930941.

It is a happy number.

1490393520 is a `hidden beast` number, since 1 + 49 + 0 + 3 + 93 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1490393521) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 14469789 + ... + 14469891.

Almost surely, 2^1490393520 is an apocalyptic number.

1490393520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490393520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3370498560).

1490393520 is an abundant number, since it is smaller than the sum of its proper divisors (5250603600).

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

1490393520 is a wasteful number, since it uses less digits than its factorization.

1490393520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 1490393520 is about 38605.6151356250. The cubic root of 1490393520 is about 1142.2653017162.

The spelling of 1490393520 in words is "one billion, four hundred ninety million, three hundred ninety-three thousand, five hundred twenty".