499382460 has 144 divisors (see below), whose sum is σ = 1565246592. Its totient is φ = 128793600.

The previous prime is 499382449. The next prime is 499382551. The reversal of 499382460 is 64283994.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1158445 + ... + 1158875.

It is an arithmetic number, because the mean of its divisors is an integer number (10869768).

Almost surely, 2^499382460 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 499382460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782623296).

499382460 is an abundant number, since it is smaller than the sum of its proper divisors (1065864132).

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

499382460 is a wasteful number, since it uses less digits than its factorization.

499382460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 499382460 is about 22346.8668944888. The cubic root of 499382460 is about 793.3736301511.

The spelling of 499382460 in words is "four hundred ninety-nine million, three hundred eighty-two thousand, four hundred sixty".