5909449446 has 96 divisors (see below), whose sum is σ = 13591818240. Its totient is φ = 1923790176.

The previous prime is 5909449421. The next prime is 5909449453. The reversal of 5909449446 is 6449449095.

It is a happy number.

5909449446 is a `hidden beast` number, since 590 + 9 + 4 + 4 + 9 + 4 + 46 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5909449392 and 5909449401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4134660 + ... + 4136088.

It is an arithmetic number, because the mean of its divisors is an integer number (141581440).

Almost surely, 2^5909449446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5909449446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6795909120).

5909449446 is an abundant number, since it is smaller than the sum of its proper divisors (7682368794).

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

5909449446 is a wasteful number, since it uses less digits than its factorization.

5909449446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640 (or 1628 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The square root of 5909449446 is about 76872.9435237132. The cubic root of 5909449446 is about 1807.9330358271.

The spelling of 5909449446 in words is "five billion, nine hundred nine million, four hundred forty-nine thousand, four hundred forty-six".