499999440556 has 48 divisors (see below), whose sum is σ = 1097002448640. Its totient is φ = 193716659520.

The previous prime is 499999440517. The next prime is 499999440557. The reversal of 499999440556 is 655044999994.

It is not an unprimeable number, because it can be changed into a prime (499999440557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4479435 + ... + 4589698.

It is an arithmetic number, because the mean of its divisors is an integer number (22854217680).

Almost surely, 2^499999440556 is an apocalyptic number.

It is an amenable number.

499999440556 is an abundant number, since it is smaller than the sum of its proper divisors (597003008084).

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

499999440556 is a wasteful number, since it uses less digits than its factorization.

499999440556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9069334 (or 9069332 counting only the distinct ones).

The product of its (nonzero) digits is 566870400, while the sum is 73.

The spelling of 499999440556 in words is "four hundred ninety-nine billion, nine hundred ninety-nine million, four hundred forty thousand, five hundred fifty-six".