40432110440 has 32 divisors (see below), whose sum is σ = 90979580160. Its totient is φ = 16171540800.

The previous prime is 40432110419. The next prime is 40432110449. The reversal of 40432110440 is 4401123404.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40432110449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577745 + ... + 643935.

It is an arithmetic number, because the mean of its divisors is an integer number (2843111880).

Almost surely, 2^40432110440 is an apocalyptic number.

40432110440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40432110440 is an abundant number, since it is smaller than the sum of its proper divisors (50547469720).

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

40432110440 is a wasteful number, since it uses less digits than its factorization.

40432110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81473 (or 81469 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40432110440 its reverse (4401123404), we get a palindrome (44833233844).

The spelling of 40432110440 in words is "forty billion, four hundred thirty-two million, one hundred ten thousand, four hundred forty".