40045488839 has 8 divisors (see below), whose sum is σ = 40082753568. Its totient is φ = 40008245760.

The previous prime is 40045488823. The next prime is 40045488869. The reversal of 40045488839 is 93888454004.

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

It is a cyclic number.

It is not a de Polignac number, because 40045488839 - 2⁴ = 40045488823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045488869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8310959 + ... + 8315775.

It is an arithmetic number, because the mean of its divisors is an integer number (5010344196).

Almost surely, 2^40045488839 is an apocalyptic number.

40045488839 is a deficient number, since it is larger than the sum of its proper divisors (37264729).

40045488839 is a wasteful number, since it uses less digits than its factorization.

40045488839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10825.

The product of its (nonzero) digits is 4423680, while the sum is 53.

The spelling of 40045488839 in words is "forty billion, forty-five million, four hundred eighty-eight thousand, eight hundred thirty-nine".