40021414 has 8 divisors (see below), whose sum is σ = 60294960. Its totient is φ = 19923096.

The previous prime is 40021409. The next prime is 40021427. The reversal of 40021414 is 41412004.

40021414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 43234 + ... + 44149.

It is an arithmetic number, because the mean of its divisors is an integer number (7536870).

Almost surely, 2^40021414 is an apocalyptic number.

40021414 is a deficient number, since it is larger than the sum of its proper divisors (20273546).

40021414 is a wasteful number, since it uses less digits than its factorization.

40021414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87614.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40021414 is about 6326.2480191659. The cubic root of 40021414 is about 342.0562074895.

Adding to 40021414 its reverse (41412004), we get a palindrome (81433418).

The spelling of 40021414 in words is "forty million, twenty-one thousand, four hundred fourteen".