40214232405 has 20 divisors (see below), whose sum is σ = 72087735852. Its totient is φ = 21447590400.

The previous prime is 40214232403. The next prime is 40214232407. The reversal of 40214232405 is 50423241204.

40214232405 is a `hidden beast` number, since 4 + 0 + 21 + 4 + 232 + 405 = 666.

It is an interprime number because it is at equal distance from previous prime (40214232403) and next prime (40214232407).

It can be written as a sum of positive squares in 2 ways, for example, as 12137208561 + 28077023844 = 110169^2 + 167562^2 .

It is not a de Polignac number, because 40214232405 - 2¹ = 40214232403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214232403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 49646796 + ... + 49647605.

Almost surely, 2^40214232405 is an apocalyptic number.

40214232405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40214232405 is a deficient number, since it is larger than the sum of its proper divisors (31873503447).

40214232405 is an equidigital number, since it uses as much as digits as its factorization.

40214232405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99294418 (or 99294409 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 40214232405 its reverse (50423241204), we get a palindrome (90637473609).

The spelling of 40214232405 in words is "forty billion, two hundred fourteen million, two hundred thirty-two thousand, four hundred five".