40219089 has 4 divisors (see below), whose sum is σ = 53625456. Its totient is φ = 26812724.

The previous prime is 40219087. The next prime is 40219133. The reversal of 40219089 is 98091204.

40219089 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40219089 - 2¹ = 40219087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40219087) 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, 6703179 + ... + 6703184.

It is an arithmetic number, because the mean of its divisors is an integer number (13406364).

Almost surely, 2^40219089 is an apocalyptic number.

It is an amenable number.

40219089 is a deficient number, since it is larger than the sum of its proper divisors (13406367).

40219089 is a wasteful number, since it uses less digits than its factorization.

40219089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13406366.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 40219089 is about 6341.8521742469. The cubic root of 40219089 is about 342.6184476748.

It can be divided in two parts, 402 and 19089, that added together give a palindrome (19491).

The spelling of 40219089 in words is "forty million, two hundred nineteen thousand, eighty-nine".