113444132440 has 32 divisors (see below), whose sum is σ = 255972415680. Its totient is φ = 45249098752.

The previous prime is 113444132429. The next prime is 113444132467. The reversal of 113444132440 is 44231444311.

It is a congruent number.

It is an unprimeable number.

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, 4003024 + ... + 4031263.

It is an arithmetic number, because the mean of its divisors is an integer number (7999137990).

Almost surely, 2^113444132440 is an apocalyptic number.

113444132440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113444132440 is an abundant number, since it is smaller than the sum of its proper divisors (142528283240).

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

113444132440 is a wasteful number, since it uses less digits than its factorization.

113444132440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8034651 (or 8034647 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 113444132440 its reverse (44231444311), we get a palindrome (157675576751).

The spelling of 113444132440 in words is "one hundred thirteen billion, four hundred forty-four million, one hundred thirty-two thousand, four hundred forty".