32040444431 has 4 divisors (see below), whose sum is σ = 32040987264. Its totient is φ = 32039901600.

The previous prime is 32040444353. The next prime is 32040444437. The reversal of 32040444431 is 13444404023.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32040444431 - 2²⁶ = 31973335567 is a prime.

It is a super-2 number, since 2×32040444431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32040444394 and 32040444403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32040444437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170330 + ... + 305111.

It is an arithmetic number, because the mean of its divisors is an integer number (8010246816).

Almost surely, 2^32040444431 is an apocalyptic number.

32040444431 is a deficient number, since it is larger than the sum of its proper divisors (542833).

32040444431 is an equidigital number, since it uses as much as digits as its factorization.

32040444431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542832.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 32040444431 its reverse (13444404023), we get a palindrome (45484848454).

The spelling of 32040444431 in words is "thirty-two billion, forty million, four hundred forty-four thousand, four hundred thirty-one".