499791490 has 16 divisors (see below), whose sum is σ = 981408960. Its totient is φ = 181742320.

The previous prime is 499791443. The next prime is 499791491. The reversal of 499791490 is 94197994.

It is not an unprimeable number, because it can be changed into a prime (499791491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2271670 + ... + 2271889.

It is an arithmetic number, because the mean of its divisors is an integer number (61338060).

Almost surely, 2^499791490 is an apocalyptic number.

499791490 is a deficient number, since it is larger than the sum of its proper divisors (481617470).

499791490 is a wasteful number, since it uses less digits than its factorization.

499791490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4543577.

The product of its (nonzero) digits is 734832, while the sum is 52.

The square root of 499791490 is about 22356.0168634755. The cubic root of 499791490 is about 793.5901809795.

The spelling of 499791490 in words is "four hundred ninety-nine million, seven hundred ninety-one thousand, four hundred ninety".