40412273 has 8 divisors (see below), whose sum is σ = 44231616. Its totient is φ = 36617200.

The previous prime is 40412269. The next prime is 40412279. The reversal of 40412273 is 37221404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40412273 - 2² = 40412269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40412279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2486 + ... + 9327.

It is an arithmetic number, because the mean of its divisors is an integer number (5528952).

Almost surely, 2^40412273 is an apocalyptic number.

It is an amenable number.

40412273 is a deficient number, since it is larger than the sum of its proper divisors (3819343).

40412273 is a wasteful number, since it uses less digits than its factorization.

40412273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12135.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 40412273 is about 6357.0648101148. The cubic root of 40412273 is about 343.1661371068.

Adding to 40412273 its reverse (37221404), we get a palindrome (77633677).

The spelling of 40412273 in words is "forty million, four hundred twelve thousand, two hundred seventy-three".