40548811 has 4 divisors (see below), whose sum is σ = 40563712. Its totient is φ = 40533912.

The previous prime is 40548779. The next prime is 40548821. The reversal of 40548811 is 11884504.

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 40548811 - 2⁵ = 40548779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40548821) 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, 2076 + ... + 9241.

It is an arithmetic number, because the mean of its divisors is an integer number (10140928).

Almost surely, 2^40548811 is an apocalyptic number.

40548811 is a deficient number, since it is larger than the sum of its proper divisors (14901).

40548811 is a wasteful number, since it uses less digits than its factorization.

40548811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14900.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 40548811 is about 6367.7948302375. The cubic root of 40548811 is about 343.5521794697.

The spelling of 40548811 in words is "forty million, five hundred forty-eight thousand, eight hundred eleven".