499999427556 has 24 divisors (see below), whose sum is σ = 1166683197120. Its totient is φ = 166663923552.

The previous prime is 499999427519. The next prime is 499999427569. The reversal of 499999427556 is 655724999994.

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, 604050 + ... + 1168278.

It is an arithmetic number, because the mean of its divisors is an integer number (48611799880).

Almost surely, 2^499999427556 is an apocalyptic number.

It is an amenable number.

499999427556 is an abundant number, since it is smaller than the sum of its proper divisors (666683769564).

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

499999427556 is a wasteful number, since it uses less digits than its factorization.

499999427556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638083 (or 638081 counting only the distinct ones).

The product of its digits is 1984046400, while the sum is 78.

The spelling of 499999427556 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred twenty-seven thousand, five hundred fifty-six".