113440412240 has 40 divisors (see below), whose sum is σ = 263887619040. Its totient is φ = 45352309376.

The previous prime is 113440412213. The next prime is 113440412263. The reversal of 113440412240 is 42214044311.

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

It is a super-2 number, since 2×113440412240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219230 + ... + 524349.

It is an arithmetic number, because the mean of its divisors is an integer number (6597190476).

Almost surely, 2^113440412240 is an apocalyptic number.

113440412240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113440412240 is an abundant number, since it is smaller than the sum of its proper divisors (150447206800).

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

113440412240 is a wasteful number, since it uses less digits than its factorization.

113440412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745499 (or 745493 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 113440412240 its reverse (42214044311), we get a palindrome (155654456551).

The spelling of 113440412240 in words is "one hundred thirteen billion, four hundred forty million, four hundred twelve thousand, two hundred forty".