1499528990 has 16 divisors (see below), whose sum is σ = 2699611200. Its totient is φ = 599709600.

The previous prime is 1499528983. The next prime is 1499529011. The reversal of 1499528990 is 998259941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83840 + ... + 100140.

It is an arithmetic number, because the mean of its divisors is an integer number (168725700).

Almost surely, 2^1499528990 is an apocalyptic number.

1499528990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1499528990 is a deficient number, since it is larger than the sum of its proper divisors (1200082210).

1499528990 is a wasteful number, since it uses less digits than its factorization.

1499528990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25507.

The product of its (nonzero) digits is 2099520, while the sum is 56.

The square root of 1499528990 is about 38723.7522717001. The cubic root of 1499528990 is about 1144.5944140423.

The spelling of 1499528990 in words is "one billion, four hundred ninety-nine million, five hundred twenty-eight thousand, nine hundred ninety".