499222302642 has 162 divisors, whose sum is σ = 1295183935773. Its totient is φ = 138564113184.

The previous prime is 499222302563. The next prime is 499222302659. The reversal of 499222302642 is 246203222994.

It can be written as a sum of positive squares in 2 ways, for example, as 402769198881 + 96453103761 = 634641^2 + 310569^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=499611.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 776395173 + ... + 776395815.

Almost surely, 2^499222302642 is an apocalyptic number.

499222302642 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 499222302642

499222302642 is an abundant number, since it is smaller than the sum of its proper divisors (795961633131).

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

499222302642 is an equidigital number, since it uses as much as digits as its factorization.

499222302642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 45.

The spelling of 499222302642 in words is "four hundred ninety-nine billion, two hundred twenty-two million, three hundred two thousand, six hundred forty-two".