112343440 has 40 divisors (see below), whose sum is σ = 284946048. Its totient is φ = 40851840.

The previous prime is 112343401. The next prime is 112343453. The reversal of 112343440 is 44343211.

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

It is a super-2 number, since 2×112343440² = 25242097022067200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 62952 + ... + 64711.

Almost surely, 2^112343440 is an apocalyptic number.

112343440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112343440 is an abundant number, since it is smaller than the sum of its proper divisors (172602608).

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

112343440 is a wasteful number, since it uses less digits than its factorization.

112343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127687 (or 127681 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 112343440 is about 10599.2188391409. The cubic root of 112343440 is about 482.5206520195.

Adding to 112343440 its reverse (44343211), we get a palindrome (156686651).

The spelling of 112343440 in words is "one hundred twelve million, three hundred forty-three thousand, four hundred forty".