499990842255 has 32 divisors (see below), whose sum is σ = 848328940800. Its totient is φ = 250594867712.

The previous prime is 499990842227. The next prime is 499990842271. The reversal of 499990842255 is 552248099994.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 499990842255 - 2⁹ = 499990841743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1319625 + ... + 1655714.

It is an arithmetic number, because the mean of its divisors is an integer number (26510279400).

Almost surely, 2^499990842255 is an apocalyptic number.

499990842255 is a deficient number, since it is larger than the sum of its proper divisors (348338098545).

499990842255 is a wasteful number, since it uses less digits than its factorization.

499990842255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976023.

The product of its (nonzero) digits is 83980800, while the sum is 66.

The spelling of 499990842255 in words is "four hundred ninety-nine billion, nine hundred ninety million, eight hundred forty-two thousand, two hundred fifty-five".