40884491 has 4 divisors (see below), whose sum is σ = 40931472. Its totient is φ = 40837512.

The previous prime is 40884469. The next prime is 40884517. The reversal of 40884491 is 19448804.

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

It is a cyclic number.

It is not a de Polignac number, because 40884491 - 2²² = 36690187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40884401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22160 + ... + 23933.

It is an arithmetic number, because the mean of its divisors is an integer number (10232868).

Almost surely, 2^40884491 is an apocalyptic number.

40884491 is a deficient number, since it is larger than the sum of its proper divisors (46981).

40884491 is an equidigital number, since it uses as much as digits as its factorization.

40884491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46980.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 40884491 is about 6394.0981381271. The cubic root of 40884491 is about 344.4975982217.

The spelling of 40884491 in words is "forty million, eight hundred eighty-four thousand, four hundred ninety-one".