40412919 has 8 divisors (see below), whose sum is σ = 53933040. Its totient is φ = 26917376.

The previous prime is 40412891. The next prime is 40412923. The reversal of 40412919 is 91921404.

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 40412919 - 2⁵ = 40412887 is a prime.

It is a super-2 number, since 2×40412919² = 3266408044201122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40412929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1884 + ... + 9185.

It is an arithmetic number, because the mean of its divisors is an integer number (6741630).

Almost surely, 2^40412919 is an apocalyptic number.

40412919 is a deficient number, since it is larger than the sum of its proper divisors (13520121).

40412919 is a wasteful number, since it uses less digits than its factorization.

40412919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12289.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 40412919 is about 6357.1156195243. The cubic root of 40412919 is about 343.1679656284.

The spelling of 40412919 in words is "forty million, four hundred twelve thousand, nine hundred nineteen".