499772972160 has 2048 divisors, whose sum is σ = 2373110784000. Its totient is φ = 96268124160.

The previous prime is 499772972143. The next prime is 499772972161. The reversal of 499772972160 is 61279277994.

499772972160 is a `hidden beast` number, since 49 + 97 + 7 + 297 + 216 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (499772972161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 1339873734 + ... + 1339874106.

It is an arithmetic number, because the mean of its divisors is an integer number (1158745500).

Almost surely, 2^499772972160 is an apocalyptic number.

499772972160 is a gapful number since it is divisible by the number (40) 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 499772972160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1186555392000).

499772972160 is an abundant number, since it is smaller than the sum of its proper divisors (1873337811840).

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

499772972160 is a wasteful number, since it uses less digits than its factorization.

499772972160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 473 counting only the distinct ones).

The product of its (nonzero) digits is 24004512, while the sum is 63.

The spelling of 499772972160 in words is "four hundred ninety-nine billion, seven hundred seventy-two million, nine hundred seventy-two thousand, one hundred sixty".