499456140800 has 240 divisors, whose sum is σ = 1275745489920. Its totient is φ = 193679400960.

The previous prime is 499456140793. The next prime is 499456140817. The reversal of 499456140800 is 8041654994.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64367321 + ... + 64375079.

It is an arithmetic number, because the mean of its divisors is an integer number (5315606208).

Almost surely, 2^499456140800 is an apocalyptic number.

499456140800 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 499456140800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637872744960).

499456140800 is an abundant number, since it is smaller than the sum of its proper divisors (776289349120).

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

499456140800 is a wasteful number, since it uses less digits than its factorization.

499456140800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7941 (or 7920 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 499456140800 in words is "four hundred ninety-nine billion, four hundred fifty-six million, one hundred forty thousand, eight hundred".