40231332443 has 8 divisors (see below), whose sum is σ = 40408547760. Its totient is φ = 40054252000.

The previous prime is 40231332409. The next prime is 40231332509. The reversal of 40231332443 is 34423313204.

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

It is a cyclic number.

It is not a de Polignac number, because 40231332443 - 2²² = 40227138139 is a prime.

It is a super-2 number, since 2×40231332443² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40231332143) 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, 589373 + ... + 654081.

It is an arithmetic number, because the mean of its divisors is an integer number (5051068470).

Almost surely, 2^40231332443 is an apocalyptic number.

40231332443 is a deficient number, since it is larger than the sum of its proper divisors (177215317).

40231332443 is a wasteful number, since it uses less digits than its factorization.

40231332443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67437.

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 40231332443 its reverse (34423313204), we get a palindrome (74654645647).

The spelling of 40231332443 in words is "forty billion, two hundred thirty-one million, three hundred thirty-two thousand, four hundred forty-three".