40831469 has 4 divisors (see below), whose sum is σ = 46664544. Its totient is φ = 34998396.

The previous prime is 40831459. The next prime is 40831487. The reversal of 40831469 is 96413804.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40831469 - 2¹² = 40827373 is a prime.

It is a super-2 number, since 2×40831469² = 3334417721395922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40831409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2916527 + ... + 2916540.

It is an arithmetic number, because the mean of its divisors is an integer number (11666136).

Almost surely, 2^40831469 is an apocalyptic number.

It is an amenable number.

40831469 is a deficient number, since it is larger than the sum of its proper divisors (5833075).

40831469 is an equidigital number, since it uses as much as digits as its factorization.

40831469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5833074.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 40831469 is about 6389.9506257873. The cubic root of 40831469 is about 344.3486105647.

The spelling of 40831469 in words is "forty million, eight hundred thirty-one thousand, four hundred sixty-nine".