40140022 has 16 divisors (see below), whose sum is σ = 65031120. Its totient is φ = 18472032.

The previous prime is 40140019. The next prime is 40140047. The reversal of 40140022 is 22004104.

It is a super-2 number, since 2×40140022² = 3222442732320968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 40139984 and 40140011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7629 + ... + 11767.

It is an arithmetic number, because the mean of its divisors is an integer number (4064445).

Almost surely, 2^40140022 is an apocalyptic number.

40140022 is a deficient number, since it is larger than the sum of its proper divisors (24891098).

40140022 is a wasteful number, since it uses less digits than its factorization.

40140022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4527.

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

The square root of 40140022 is about 6335.6153607996. The cubic root of 40140022 is about 342.3937816857.

Adding to 40140022 its reverse (22004104), we get a palindrome (62144126).

The spelling of 40140022 in words is "forty million, one hundred forty thousand, twenty-two".