32444431420 has 24 divisors (see below), whose sum is σ = 68180452704. Its totient is φ = 12968792256.

The previous prime is 32444431417. The next prime is 32444431427. The reversal of 32444431420 is 2413444423.

It is a super-2 number, since 2×32444431420² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32444431427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531607 + ... + 589486.

It is an arithmetic number, because the mean of its divisors is an integer number (2840852196).

Almost surely, 2^32444431420 is an apocalyptic number.

It is an amenable number.

32444431420 is an abundant number, since it is smaller than the sum of its proper divisors (35736021284).

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

32444431420 is a wasteful number, since it uses less digits than its factorization.

32444431420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122549 (or 1122547 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 32444431420 its reverse (2413444423), we get a palindrome (34857875843).

The spelling of 32444431420 in words is "thirty-two billion, four hundred forty-four million, four hundred thirty-one thousand, four hundred twenty".