1490353920 has 432 divisors, whose sum is σ = 5930870400. Its totient is φ = 341729280.

The previous prime is 1490353919. The next prime is 1490353927. The reversal of 1490353920 is 293530941.

It is a happy number.

1490353920 is a `hidden beast` number, since 14 + 90 + 3 + 539 + 20 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490353927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2407371 + ... + 2407989.

Almost surely, 2^1490353920 is an apocalyptic number.

1490353920 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 1490353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2965435200).

1490353920 is an abundant number, since it is smaller than the sum of its proper divisors (4440516480).

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

1490353920 is a wasteful number, since it uses less digits than its factorization.

1490353920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 659 counting only the distinct ones).

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

The square root of 1490353920 is about 38605.1022534587. The cubic root of 1490353920 is about 1142.2551849012.

The spelling of 1490353920 in words is "one billion, four hundred ninety million, three hundred fifty-three thousand, nine hundred twenty".