40691214 has 32 divisors (see below), whose sum is σ = 90720000. Its totient is φ = 13519512.

The previous prime is 40691207. The next prime is 40691219. The reversal of 40691214 is 41219604.

40691214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40691219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18337 + ... + 20435.

It is an arithmetic number, because the mean of its divisors is an integer number (2835000).

Almost surely, 2^40691214 is an apocalyptic number.

40691214 is an abundant number, since it is smaller than the sum of its proper divisors (50028786).

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

40691214 is a wasteful number, since it uses less digits than its factorization.

40691214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469 (or 2463 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40691214 is about 6378.9665307164. The cubic root of 40691214 is about 343.9538821806.

The spelling of 40691214 in words is "forty million, six hundred ninety-one thousand, two hundred fourteen".