64403830446 has 8 divisors (see below), whose sum is σ = 128807660904. Its totient is φ = 21467943480.

The previous prime is 64403830423. The next prime is 64403830459.

64403830446 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

64403830446 is an admirable number.

It is a super-2 number, since 2×64403830446² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64403830398 and 64403830407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5366985865 + ... + 5366985876.

It is an arithmetic number, because the mean of its divisors is an integer number (16100957613).

Almost surely, 2^64403830446 is an apocalyptic number.

64403830446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64403830446 is a wasteful number, since it uses less digits than its factorization.

64403830446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733971746.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 64403830446 in words is "sixty-four billion, four hundred three million, eight hundred thirty thousand, four hundred forty-six".