40384102605 has 64 divisors (see below), whose sum is σ = 81662128128. Its totient is φ = 16553064960.

The previous prime is 40384102573. The next prime is 40384102613. The reversal of 40384102605 is 50620148304.

It is not a de Polignac number, because 40384102605 - 2⁵ = 40384102573 is a prime.

It is a super-2 number, since 2×40384102605² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155169 + ... + 323798.

It is an arithmetic number, because the mean of its divisors is an integer number (1275970752).

Almost surely, 2^40384102605 is an apocalyptic number.

It is an amenable number.

40384102605 is an abundant number, since it is smaller than the sum of its proper divisors (41278025523).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40384102605 is a wasteful number, since it uses less digits than its factorization.

40384102605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479066.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40384102605 in words is "forty billion, three hundred eighty-four million, one hundred two thousand, six hundred five".