494226619530 has 512 divisors, whose sum is σ = 1506966405120. Its totient is φ = 101185044480.

The previous prime is 494226619529. The next prime is 494226619643. The reversal of 494226619530 is 35916622494.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1115635489 + ... + 1115635931.

It is an arithmetic number, because the mean of its divisors is an integer number (2943293760).

Almost surely, 2^494226619530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494226619530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753483202560).

494226619530 is an abundant number, since it is smaller than the sum of its proper divisors (1012739785590).

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

494226619530 is a wasteful number, since it uses less digits than its factorization.

494226619530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its (nonzero) digits is 2799360, while the sum is 51.

The spelling of 494226619530 in words is "four hundred ninety-four billion, two hundred twenty-six million, six hundred nineteen thousand, five hundred thirty".