499023780 has 48 divisors (see below), whose sum is σ = 1479461760. Its totient is φ = 125244928.

The previous prime is 499023757. The next prime is 499023781. The reversal of 499023780 is 87320994.

It is not an unprimeable number, because it can be changed into a prime (499023781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243600 + ... + 245639.

It is an arithmetic number, because the mean of its divisors is an integer number (30822120).

Almost surely, 2^499023780 is an apocalyptic number.

It is an amenable number.

499023780 is an abundant number, since it is smaller than the sum of its proper divisors (980437980).

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

499023780 is a wasteful number, since it uses less digits than its factorization.

499023780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489268 (or 489266 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 499023780 is about 22338.8401668484. The cubic root of 499023780 is about 793.1836385558.

The spelling of 499023780 in words is "four hundred ninety-nine million, twenty-three thousand, seven hundred eighty".