499347425031840 has 3456 divisors, whose sum is σ = 2334313822224384. Its totient is φ = 95838640128000.

The previous prime is 499347425031811. The next prime is 499347425031977. The reversal of 499347425031840 is 48130524743994.

499347425031840 is a `hidden beast` number, since 4 + 9 + 9 + 3 + 4 + 7 + 42 + 503 + 1 + 84 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 405643724025 + ... + 405643725255.

It is an arithmetic number, because the mean of its divisors is an integer number (675438027264).

Almost surely, 2^{499347425031840} is an apocalyptic number.

499347425031840 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 499347425031840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1167156911112192).

499347425031840 is an abundant number, since it is smaller than the sum of its proper divisors (1834966397192544).

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

499347425031840 is a wasteful number, since it uses less digits than its factorization.

499347425031840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2064 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 63.

The spelling of 499347425031840 in words is "four hundred ninety-nine trillion, three hundred forty-seven billion, four hundred twenty-five million, thirty-one thousand, eight hundred forty".