40021314 has 16 divisors (see below), whose sum is σ = 80106528. Its totient is φ = 13329792.

The previous prime is 40021313. The next prime is 40021337. The reversal of 40021314 is 41312004.

It is a junction number, because it is equal to n+sod(n) for n = 40021293 and 40021302.

It is not an unprimeable number, because it can be changed into a prime (40021313) by changing a digit.

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, 10449 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (5006658).

Almost surely, 2^40021314 is an apocalyptic number.

40021314 is an abundant number, since it is smaller than the sum of its proper divisors (40085214).

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

40021314 is a wasteful number, since it uses less digits than its factorization.

40021314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5329.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40021314 is about 6326.2401155821. The cubic root of 40021314 is about 342.0559225949.

Adding to 40021314 its reverse (41312004), we get a palindrome (81333318).

The spelling of 40021314 in words is "forty million, twenty-one thousand, three hundred fourteen".