40284271 has 8 divisors (see below), whose sum is σ = 42783120. Its totient is φ = 37799808.

The previous prime is 40284191. The next prime is 40284287. The reversal of 40284271 is 17248204.

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 40284271 - 2⁷ = 40284143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40287271) 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, 2485 + ... + 9313.

It is an arithmetic number, because the mean of its divisors is an integer number (5347890).

Almost surely, 2^40284271 is an apocalyptic number.

40284271 is a deficient number, since it is larger than the sum of its proper divisors (2498849).

40284271 is a wasteful number, since it uses less digits than its factorization.

40284271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7193.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40284271 is about 6346.9891287129. The cubic root of 40284271 is about 342.8034386204.

The spelling of 40284271 in words is "forty million, two hundred eighty-four thousand, two hundred seventy-one".