112320040 has 128 divisors (see below), whose sum is σ = 306063360. Its totient is φ = 36267264.

The previous prime is 112320029. The next prime is 112320041. The reversal of 112320040 is 40023211.

It is a self number, because there is not a number n which added to its sum of digits gives 112320040.

It is not an unprimeable number, because it can be changed into a prime (112320041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 688999 + ... + 689161.

It is an arithmetic number, because the mean of its divisors is an integer number (2391120).

Almost surely, 2^112320040 is an apocalyptic number.

112320040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112320040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153031680).

112320040 is an abundant number, since it is smaller than the sum of its proper divisors (193743320).

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

112320040 is a wasteful number, since it uses less digits than its factorization.

112320040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 112320040 is about 10598.1149267216. The cubic root of 112320040 is about 482.4871483060.

Adding to 112320040 its reverse (40023211), we get a palindrome (152343251).

The spelling of 112320040 in words is "one hundred twelve million, three hundred twenty thousand, forty".