497622233808 has 450 divisors, whose sum is σ = 1751537304594. Its totient is φ = 135986957568.

The previous prime is 497622233723. The next prime is 497622233833. The reversal of 497622233808 is 808332226794.

497622233808 is a `hidden beast` number, since 4 + 9 + 7 + 622 + 2 + 3 + 3 + 8 + 0 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 384613309584 + 113008924224 = 620172^2 + 336168^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 33586210 + ... + 33601022.

Almost surely, 2^497622233808 is an apocalyptic number.

497622233808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497622233808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (875768652297).

497622233808 is an abundant number, since it is smaller than the sum of its proper divisors (1253915070786).

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

497622233808 is a wasteful number, since it uses less digits than its factorization.

497622233808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14893 (or 14848 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 497622233808 in words is "four hundred ninety-seven billion, six hundred twenty-two million, two hundred thirty-three thousand, eight hundred eight".