40105030 has 24 divisors (see below), whose sum is σ = 83976048. Its totient is φ = 13750128.

The previous prime is 40105001. The next prime is 40105049. The reversal of 40105030 is 3050104.

40105030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40105030.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 40434 + ... + 41413.

It is an arithmetic number, because the mean of its divisors is an integer number (3499002).

Almost surely, 2^40105030 is an apocalyptic number.

40105030 is an abundant number, since it is smaller than the sum of its proper divisors (43871018).

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

40105030 is a wasteful number, since it uses less digits than its factorization.

40105030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81868 (or 81861 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 40105030 is about 6332.8532274165. The cubic root of 40105030 is about 342.2942590166.

Adding to 40105030 its reverse (3050104), we get a palindrome (43155134).

The spelling of 40105030 in words is "forty million, one hundred five thousand, thirty".