40003332405 has 16 divisors (see below), whose sum is σ = 64724495040. Its totient is φ = 21095389568.

The previous prime is 40003332377. The next prime is 40003332427. The reversal of 40003332405 is 50423330004.

It is a cyclic number.

It is not a de Polignac number, because 40003332405 - 2⁷ = 40003332277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14981187 + ... + 14983856.

It is an arithmetic number, because the mean of its divisors is an integer number (4045280940).

Almost surely, 2^40003332405 is an apocalyptic number.

It is an amenable number.

40003332405 is a deficient number, since it is larger than the sum of its proper divisors (24721162635).

40003332405 is a wasteful number, since it uses less digits than its factorization.

40003332405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29965140.

The product of its (nonzero) digits is 4320, while the sum is 24.

Adding to 40003332405 its reverse (50423330004), we get a palindrome (90426662409).

The spelling of 40003332405 in words is "forty billion, three million, three hundred thirty-two thousand, four hundred five".