4309906432 has 66 divisors (see below), whose sum is σ = 9294677798. Its totient is φ = 1985691648.

The previous prime is 4309906423. The next prime is 4309906459. The reversal of 4309906432 is 2346099034.

It can be written as a sum of positive squares in 3 ways, for example, as 123298816 + 4186607616 = 11104^2 + 64704^2 .

It is a super-3 number, since 3×4309906432³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7574244 + ... + 7574812.

Almost surely, 2^4309906432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4309906432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4647338899).

4309906432 is an abundant number, since it is smaller than the sum of its proper divisors (4984771366).

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

4309906432 is an frugal number, since it uses more digits than its factorization.

4309906432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 40.

The square root of 4309906432 is about 65649.8776236483. The cubic root of 4309906432 is about 1627.3811475080.

The spelling of 4309906432 in words is "four billion, three hundred nine million, nine hundred six thousand, four hundred thirty-two".