499938010000 has 400 divisors, whose sum is σ = 1456862254848. Its totient is φ = 163699200000.

The previous prime is 499938009943. The next prime is 499938010049. The reversal of 499938010000 is 10839994.

It is a tau number, because it is divible by the number of its divisors (400).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 58625737 + ... + 58634263.

Almost surely, 2^499938010000 is an apocalyptic number.

499938010000 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 499938010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728431127424).

499938010000 is an abundant number, since it is smaller than the sum of its proper divisors (956924244848).

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

499938010000 is a wasteful number, since it uses less digits than its factorization.

499938010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620 (or 8599 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 43.

Adding to 499938010000 its reverse (10839994), we get a palindrome (499948849994).

The spelling of 499938010000 in words is "four hundred ninety-nine billion, nine hundred thirty-eight million, ten thousand".