40442331045 has 32 divisors (see below), whose sum is σ = 64943763840. Its totient is φ = 21490698240.

The previous prime is 40442331011. The next prime is 40442331047. The reversal of 40442331045 is 54013324404.

It is not a de Polignac number, because 40442331045 - 2²⁷ = 40308113317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442331047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5806365 + ... + 5813325.

It is an arithmetic number, because the mean of its divisors is an integer number (2029492620).

Almost surely, 2^40442331045 is an apocalyptic number.

It is an amenable number.

40442331045 is a deficient number, since it is larger than the sum of its proper divisors (24501432795).

40442331045 is a wasteful number, since it uses less digits than its factorization.

40442331045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 40442331045 its reverse (54013324404), we get a palindrome (94455655449).

The spelling of 40442331045 in words is "forty billion, four hundred forty-two million, three hundred thirty-one thousand, forty-five".