40040014 has 16 divisors (see below), whose sum is σ = 69308928. Its totient is φ = 16992792.

The previous prime is 40039999. The next prime is 40040017. The reversal of 40040014 is 41004004.

It is a happy number.

It is a super-2 number, since 2×40040014² = 3206405442240392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40039976 and 40040003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12442 + ... + 15325.

It is an arithmetic number, because the mean of its divisors is an integer number (4331808).

Almost surely, 2^40040014 is an apocalyptic number.

40040014 is a deficient number, since it is larger than the sum of its proper divisors (29268914).

40040014 is a wasteful number, since it uses less digits than its factorization.

40040014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27879.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40040014 is about 6327.7179140667. The cubic root of 40040014 is about 342.1091896263.

Adding to 40040014 its reverse (41004004), we get a palindrome (81044018).

It can be divided in two parts, 4004001 and 4, that multiplied together give a square (16016004 = 4002²).

The spelling of 40040014 in words is "forty million, forty thousand, fourteen".