40821124089 has 4 divisors (see below), whose sum is σ = 54428165456. Its totient is φ = 27214082724.

The previous prime is 40821124087. The next prime is 40821124111. The reversal of 40821124089 is 98042112804.

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 not a de Polignac number, because 40821124089 - 2¹ = 40821124087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40821124087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6803520679 + ... + 6803520684.

It is an arithmetic number, because the mean of its divisors is an integer number (13607041364).

Almost surely, 2^40821124089 is an apocalyptic number.

It is an amenable number.

40821124089 is a deficient number, since it is larger than the sum of its proper divisors (13607041367).

40821124089 is a wasteful number, since it uses less digits than its factorization.

40821124089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13607041366.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 40821124089 in words is "forty billion, eight hundred twenty-one million, one hundred twenty-four thousand, eighty-nine".