40140269 has 8 divisors (see below), whose sum is σ = 43347360. Its totient is φ = 36950256.

The previous prime is 40140259. The next prime is 40140283. The reversal of 40140269 is 96204104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40140269 - 2⁴ = 40140253 is a prime.

It is a super-2 number, since 2×40140269² = 3222482390784722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40140229) 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, 854 + ... + 9000.

It is an arithmetic number, because the mean of its divisors is an integer number (5418420).

Almost surely, 2^40140269 is an apocalyptic number.

It is an amenable number.

40140269 is a deficient number, since it is larger than the sum of its proper divisors (3207091).

40140269 is a wasteful number, since it uses less digits than its factorization.

40140269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8539.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40140269 is about 6335.6348537459. The cubic root of 40140269 is about 342.3944839863.

The spelling of 40140269 in words is "forty million, one hundred forty thousand, two hundred sixty-nine".