40527091 has 8 divisors (see below), whose sum is σ = 44267184. Its totient is φ = 36796320.

The previous prime is 40527073. The next prime is 40527107. The reversal of 40527091 is 19072504.

It is a happy number.

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

It is not a de Polignac number, because 40527091 - 2²⁵ = 6972659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40527391) 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, 9325 + ... + 12961.

It is an arithmetic number, because the mean of its divisors is an integer number (5533398).

Almost surely, 2^40527091 is an apocalyptic number.

40527091 is a deficient number, since it is larger than the sum of its proper divisors (3740093).

40527091 is a wasteful number, since it uses less digits than its factorization.

40527091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4661.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 40527091 is about 6366.0891448361. The cubic root of 40527091 is about 343.4908271893.

Adding to 40527091 its reverse (19072504), we get a palindrome (59599595).

The spelling of 40527091 in words is "forty million, five hundred twenty-seven thousand, ninety-one".