40412449 has 32 divisors (see below), whose sum is σ = 55388160. Its totient is φ = 28512000.

The previous prime is 40412441. The next prime is 40412453. The reversal of 40412449 is 94421404.

It is not a de Polignac number, because 40412449 - 2³ = 40412441 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40412441) 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, 33049 + ... + 34249.

It is an arithmetic number, because the mean of its divisors is an integer number (1730880).

Almost surely, 2^40412449 is an apocalyptic number.

It is an amenable number.

40412449 is a deficient number, since it is larger than the sum of its proper divisors (14975711).

40412449 is a wasteful number, since it uses less digits than its factorization.

40412449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 40412449 is about 6357.0786529663. The cubic root of 40412449 is about 343.1666352818.

The spelling of 40412449 in words is "forty million, four hundred twelve thousand, four hundred forty-nine".