40183264785 has 16 divisors (see below), whose sum is σ = 64562238720. Its totient is φ = 21341402880.

The previous prime is 40183264783. The next prime is 40183264799. The reversal of 40183264785 is 58746238104.

It is not a de Polignac number, because 40183264785 - 2¹ = 40183264783 is a prime.

It is a super-2 number, since 2×40183264785² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40183264783) 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 15 ways as a sum of consecutive naturals, for example, 5600776 + ... + 5607945.

It is an arithmetic number, because the mean of its divisors is an integer number (4035139920).

Almost surely, 2^40183264785 is an apocalyptic number.

It is an amenable number.

40183264785 is a deficient number, since it is larger than the sum of its proper divisors (24378973935).

40183264785 is a wasteful number, since it uses less digits than its factorization.

40183264785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208968.

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 40183264785 in words is "forty billion, one hundred eighty-three million, two hundred sixty-four thousand, seven hundred eighty-five".