40112340 has 24 divisors (see below), whose sum is σ = 112314720. Its totient is φ = 10696608.

The previous prime is 40112339. The next prime is 40112353. The reversal of 40112340 is 4321104.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 334210 + ... + 334329.

It is an arithmetic number, because the mean of its divisors is an integer number (4679780).

Almost surely, 2^40112340 is an apocalyptic number.

It is an amenable number.

40112340 is an abundant number, since it is smaller than the sum of its proper divisors (72202380).

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

40112340 is a wasteful number, since it uses less digits than its factorization.

40112340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668551 (or 668549 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40112340 is about 6333.4303501341. The cubic root of 40112340 is about 342.3150545712.

Adding to 40112340 its reverse (4321104), we get a palindrome (44433444).

The spelling of 40112340 in words is "forty million, one hundred twelve thousand, three hundred forty".