40214140 has 48 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 15589952.

The previous prime is 40214123. The next prime is 40214147. The reversal of 40214140 is 4141204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168141 + ... + 168379.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^40214140 is an apocalyptic number.

It is an amenable number.

40214140 is an abundant number, since it is smaller than the sum of its proper divisors (46877060).

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

40214140 is a wasteful number, since it uses less digits than its factorization.

40214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

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

The square root of 40214140 is about 6341.4619765477. The cubic root of 40214140 is about 342.6043939150.

Adding to 40214140 its reverse (4141204), we get a palindrome (44355344).

The spelling of 40214140 in words is "forty million, two hundred fourteen thousand, one hundred forty".