113432243440 has 40 divisors (see below), whose sum is σ = 263755640880. Its totient is φ = 45368480256.

The previous prime is 113432243411. The next prime is 113432243443. The reversal of 113432243440 is 44342234311.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113432243443) 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, 830731 + ... + 957589.

It is an arithmetic number, because the mean of its divisors is an integer number (6593891022).

Almost surely, 2^113432243440 is an apocalyptic number.

113432243440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113432243440 is an abundant number, since it is smaller than the sum of its proper divisors (150323397440).

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

113432243440 is a wasteful number, since it uses less digits than its factorization.

113432243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138049 (or 138043 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 113432243440 its reverse (44342234311), we get a palindrome (157774477751).

The spelling of 113432243440 in words is "one hundred thirteen billion, four hundred thirty-two million, two hundred forty-three thousand, four hundred forty".