499890225152 has 64 divisors (see below), whose sum is σ = 1000288491840. Its totient is φ = 249814319104.

The previous prime is 499890225073. The next prime is 499890225157. The reversal of 499890225152 is 251522098994.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499890225157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103773848 + ... + 103778664.

It is an arithmetic number, because the mean of its divisors is an integer number (15629507685).

Almost surely, 2^499890225152 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 499890225152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (500144245920).

499890225152 is an abundant number, since it is smaller than the sum of its proper divisors (500398266688).

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

499890225152 is an frugal number, since it uses more digits than its factorization.

499890225152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8014 (or 7986 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 56.

The spelling of 499890225152 in words is "four hundred ninety-nine billion, eight hundred ninety million, two hundred twenty-five thousand, one hundred fifty-two".