40332404442 has 32 divisors (see below), whose sum is σ = 90044444160. Its totient is φ = 11937708720.

The previous prime is 40332404407. The next prime is 40332404447. The reversal of 40332404442 is 24440423304.

It is a super-2 number, since 2×40332404442² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40332404447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7102942 + ... + 7108617.

It is an arithmetic number, because the mean of its divisors is an integer number (2813888880).

Almost surely, 2^40332404442 is an apocalyptic number.

40332404442 is an abundant number, since it is smaller than the sum of its proper divisors (49712039718).

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

40332404442 is a wasteful number, since it uses less digits than its factorization.

40332404442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211618.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 40332404442 its reverse (24440423304), we get a palindrome (64772827746).

The spelling of 40332404442 in words is "forty billion, three hundred thirty-two million, four hundred four thousand, four hundred forty-two".