40838581006 has 16 divisors (see below), whose sum is σ = 62758930608. Its totient is φ = 19920096000.

The previous prime is 40838580997. The next prime is 40838581009. The reversal of 40838581006 is 60018583804.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40838581009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218595 + ... + 359806.

It is an arithmetic number, because the mean of its divisors is an integer number (3922433163).

Almost surely, 2^40838581006 is an apocalyptic number.

40838581006 is a deficient number, since it is larger than the sum of its proper divisors (21920349602).

40838581006 is a wasteful number, since it uses less digits than its factorization.

40838581006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579267.

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 40838581006 in words is "forty billion, eight hundred thirty-eight million, five hundred eighty-one thousand, six".