40043214 has 16 divisors (see below), whose sum is σ = 88985040. Its totient is φ = 13347720.

The previous prime is 40043209. The next prime is 40043233. The reversal of 40043214 is 41234004.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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, 370717 + ... + 370824.

It is an arithmetic number, because the mean of its divisors is an integer number (5561565).

Almost surely, 2^40043214 is an apocalyptic number.

40043214 is an abundant number, since it is smaller than the sum of its proper divisors (48941826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40043214 is a wasteful number, since it uses less digits than its factorization.

40043214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741552 (or 741546 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 40043214 is about 6327.9707647871. The cubic root of 40043214 is about 342.1183031782.

Adding to 40043214 its reverse (41234004), we get a palindrome (81277218).

The spelling of 40043214 in words is "forty million, forty-three thousand, two hundred fourteen".