40650271 has 4 divisors (see below), whose sum is σ = 40800544. Its totient is φ = 40500000.

The previous prime is 40650251. The next prime is 40650277. The reversal of 40650271 is 17205604.

40650271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a 6-Lehmer number, since φ(40650271) divides (40650271-1)⁶.

It is a cyclic number.

It is not a de Polignac number, because 40650271 - 2¹⁵ = 40617503 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 (40650277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74730 + ... + 75271.

It is an arithmetic number, because the mean of its divisors is an integer number (10200136).

Almost surely, 2^40650271 is an apocalyptic number.

40650271 is a deficient number, since it is larger than the sum of its proper divisors (150273).

40650271 is a wasteful number, since it uses less digits than its factorization.

40650271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150272.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 40650271 is about 6375.7565041335. The cubic root of 40650271 is about 343.8384827429.

Adding to 40650271 its reverse (17205604), we get a palindrome (57855875).

The spelling of 40650271 in words is "forty million, six hundred fifty thousand, two hundred seventy-one".