499172544 has 196 divisors, whose sum is σ = 1601323696. Its totient is φ = 153404928.

The previous prime is 499172539. The next prime is 499172561. The reversal of 499172544 is 445271994.

499172544 is a `hidden beast` number, since 4 + 99 + 17 + 2 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 499172544.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 606117 + ... + 606939.

Almost surely, 2^499172544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499172544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (800661848).

499172544 is an abundant number, since it is smaller than the sum of its proper divisors (1102151152).

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

499172544 is an equidigital number, since it uses as much as digits as its factorization.

499172544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 841 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 499172544 is about 22342.1696350198. The cubic root of 499172544 is about 793.2624493941.

The spelling of 499172544 in words is "four hundred ninety-nine million, one hundred seventy-two thousand, five hundred forty-four".