1490690304 has 216 divisors, whose sum is σ = 4606947072. Its totient is φ = 480245760.

The previous prime is 1490690269. The next prime is 1490690321. The reversal of 1490690304 is 4030960941.

It is a tau number, because it is divible by the number of its divisors (216).

It is a super-2 number, since 2×1490690304² = 4444315164879224832, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1928062 + ... + 1928834.

Almost surely, 2^1490690304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1490690304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2303473536).

1490690304 is an abundant number, since it is smaller than the sum of its proper divisors (3116256768).

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

1490690304 is an frugal number, since it uses more digits than its factorization.

1490690304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 1490690304 is about 38609.4587374648. The cubic root of 1490690304 is about 1142.3411169424.

The spelling of 1490690304 in words is "one billion, four hundred ninety million, six hundred ninety thousand, three hundred four".