40412312 has 32 divisors (see below), whose sum is σ = 78764400. Its totient is φ = 19415424.

The previous prime is 40412279. The next prime is 40412327. The reversal of 40412312 is 21321404.

It is a super-2 number, since 2×40412312² = 3266309922370688, which contains 22 as substring.

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, 86303 + ... + 86769.

Almost surely, 2^40412312 is an apocalyptic number.

It is an amenable number.

40412312 is a deficient number, since it is larger than the sum of its proper divisors (38352088).

40412312 is a wasteful number, since it uses less digits than its factorization.

40412312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 40412312 is about 6357.0678775675. The cubic root of 40412312 is about 343.1662474980.

Adding to 40412312 its reverse (21321404), we get a palindrome (61733716).

The spelling of 40412312 in words is "forty million, four hundred twelve thousand, three hundred twelve".