499439018340 has 96 divisors (see below), whose sum is σ = 1553924736000. Its totient is φ = 133173927936.

The previous prime is 499439018317. The next prime is 499439018359. The reversal of 499439018340 is 43810934994.

499439018340 is a `hidden beast` number, since 4 + 99 + 439 + 0 + 1 + 83 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 10083556 + ... + 10132964.

It is an arithmetic number, because the mean of its divisors is an integer number (16186716000).

Almost surely, 2^499439018340 is an apocalyptic number.

It is an amenable number.

499439018340 is an abundant number, since it is smaller than the sum of its proper divisors (1054485717660).

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

499439018340 is a wasteful number, since it uses less digits than its factorization.

499439018340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68146 (or 68138 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 499439018340 in words is "four hundred ninety-nine billion, four hundred thirty-nine million, eighteen thousand, three hundred forty".