499142656 has 52 divisors (see below), whose sum is σ = 1030624384. Its totient is φ = 241459200.

The previous prime is 499142653. The next prime is 499142659. The reversal of 499142656 is 656241994.

It is an interprime number because it is at equal distance from previous prime (499142653) and next prime (499142659).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499142653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125011 + ... + 128941.

Almost surely, 2^499142656 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 499142656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (515312192).

499142656 is an abundant number, since it is smaller than the sum of its proper divisors (531481728).

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

499142656 is an equidigital number, since it uses as much as digits as its factorization.

499142656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986 (or 3964 counting only the distinct ones).

The product of its digits is 466560, while the sum is 46.

The square root of 499142656 is about 22341.5007553208. The cubic root of 499142656 is about 793.2466168585.

The spelling of 499142656 in words is "four hundred ninety-nine million, one hundred forty-two thousand, six hundred fifty-six".