113222032440 has 64 divisors (see below), whose sum is σ = 370544837760. Its totient is φ = 27447765120.

The previous prime is 113222032421. The next prime is 113222032577. The reversal of 113222032440 is 44230222311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 113222032440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42885814 + ... + 42888453.

It is an arithmetic number, because the mean of its divisors is an integer number (5789763090).

Almost surely, 2^113222032440 is an apocalyptic number.

113222032440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113222032440 is an abundant number, since it is smaller than the sum of its proper divisors (257322805320).

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

113222032440 is a wasteful number, since it uses less digits than its factorization.

113222032440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85774292 (or 85774288 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 113222032440 its reverse (44230222311), we get a palindrome (157452254751).

The spelling of 113222032440 in words is "one hundred thirteen billion, two hundred twenty-two million, thirty-two thousand, four hundred forty".