40014140 has 24 divisors (see below), whose sum is σ = 84278880. Its totient is φ = 15958208.

The previous prime is 40014127. The next prime is 40014151. The reversal of 40014140 is 4141004.

It is a super-2 number, since 2×40014140² = 3202262799879200, which contains 22 as substring.

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, 4394 + ... + 9966.

It is an arithmetic number, because the mean of its divisors is an integer number (3511620).

Almost surely, 2^40014140 is an apocalyptic number.

It is an amenable number.

40014140 is an abundant number, since it is smaller than the sum of its proper divisors (44264740).

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

40014140 is a wasteful number, since it uses less digits than its factorization.

40014140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5939 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40014140 is about 6325.6730867158. The cubic root of 40014140 is about 342.0354830209.

Adding to 40014140 its reverse (4141004), we get a palindrome (44155144).

The spelling of 40014140 in words is "forty million, fourteen thousand, one hundred forty".