499606434432 has 320 divisors, whose sum is σ = 1709440064640. Its totient is φ = 141886494720.

The previous prime is 499606434419. The next prime is 499606434479. The reversal of 499606434432 is 234434606994.

It is a happy number.

499606434432 is a `hidden beast` number, since 4 + 99 + 60 + 64 + 3 + 4 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 39 ways as a sum of consecutive naturals, for example, 12099582 + ... + 12140802.

It is an arithmetic number, because the mean of its divisors is an integer number (5342000202).

Almost surely, 2^499606434432 is an apocalyptic number.

499606434432 is a gapful number since it is divisible by the number (42) 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 499606434432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854720032320).

499606434432 is an abundant number, since it is smaller than the sum of its proper divisors (1209833630208).

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

499606434432 is a wasteful number, since it uses less digits than its factorization.

499606434432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41421 (or 41400 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 54.

The spelling of 499606434432 in words is "four hundred ninety-nine billion, six hundred six million, four hundred thirty-four thousand, four hundred thirty-two".