499124564400 has 1620 divisors, whose sum is σ = 2141365709448. Its totient is φ = 98993664000.

The previous prime is 499124564363. The next prime is 499124564467. The reversal of 499124564400 is 4465421994.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 499124564400.

It is a congruent number.

It is an unprimeable number.

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 323 ways as a sum of consecutive naturals, for example, 6837322764 + ... + 6837322836.

Almost surely, 2^499124564400 is an apocalyptic number.

499124564400 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 499124564400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1070682854724).

499124564400 is an abundant number, since it is smaller than the sum of its proper divisors (1642241145048).

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

499124564400 is a wasteful number, since it uses less digits than its factorization.

499124564400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 499124564400 in words is "four hundred ninety-nine billion, one hundred twenty-four million, five hundred sixty-four thousand, four hundred".