499142620 has 24 divisors (see below), whose sum is σ = 1049184864. Its totient is φ = 199469376.

The previous prime is 499142603. The next prime is 499142641. The reversal of 499142620 is 26241994.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 499142620.

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, 11169 + ... + 33511.

It is an arithmetic number, because the mean of its divisors is an integer number (43716036).

Almost surely, 2^499142620 is an apocalyptic number.

It is an amenable number.

499142620 is an abundant number, since it is smaller than the sum of its proper divisors (550042244).

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

499142620 is a wasteful number, since it uses less digits than its factorization.

499142620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23469 (or 23467 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 499142620 is about 22341.4999496453. The cubic root of 499142620 is about 793.2465977879.

The spelling of 499142620 in words is "four hundred ninety-nine million, one hundred forty-two thousand, six hundred twenty".