40432220445 has 8 divisors (see below), whose sum is σ = 64691552736. Its totient is φ = 21563850896.

The previous prime is 40432220443. The next prime is 40432220447. The reversal of 40432220445 is 54402223404.

It is an interprime number because it is at equal distance from previous prime (40432220443) and next prime (40432220447).

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 40432220445 - 2¹ = 40432220443 is a prime.

It is a super-2 number, since 2×40432220445² (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 (40432220443) 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, 1347740667 + ... + 1347740696.

It is an arithmetic number, because the mean of its divisors is an integer number (8086444092).

Almost surely, 2^40432220445 is an apocalyptic number.

It is an amenable number.

40432220445 is a deficient number, since it is larger than the sum of its proper divisors (24259332291).

40432220445 is a wasteful number, since it uses less digits than its factorization.

40432220445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695481371.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 40432220445 its reverse (54402223404), we get a palindrome (94834443849).

The spelling of 40432220445 in words is "forty billion, four hundred thirty-two million, two hundred twenty thousand, four hundred forty-five".