4312112440 has 16 divisors (see below), whose sum is σ = 9702253080. Its totient is φ = 1724844960.

The previous prime is 4312112437. The next prime is 4312112449. The reversal of 4312112440 is 442112134.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312112449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53901366 + ... + 53901445.

Almost surely, 2^4312112440 is an apocalyptic number.

4312112440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4312112440 is an abundant number, since it is smaller than the sum of its proper divisors (5390140640).

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

4312112440 is a wasteful number, since it uses less digits than its factorization.

4312112440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107802822 (or 107802818 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4312112440 is about 65666.6767851092. The cubic root of 4312112440 is about 1627.6587562797.

Adding to 4312112440 its reverse (442112134), we get a palindrome (4754224574).

The spelling of 4312112440 in words is "four billion, three hundred twelve million, one hundred twelve thousand, four hundred forty".