40004342003 has 4 divisors (see below), whose sum is σ = 40069179480. Its totient is φ = 39939504528.

The previous prime is 40004341987. The next prime is 40004342023. The reversal of 40004342003 is 30024340004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40004342003 - 2⁴ = 40004341987 is a prime.

It is a super-4 number, since 4×40004342003⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40004342023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32417813 + ... + 32419046.

It is an arithmetic number, because the mean of its divisors is an integer number (10017294870).

Almost surely, 2^40004342003 is an apocalyptic number.

40004342003 is a deficient number, since it is larger than the sum of its proper divisors (64837477).

40004342003 is an equidigital number, since it uses as much as digits as its factorization.

40004342003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64837476.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40004342003 its reverse (30024340004), we get a palindrome (70028682007).

The spelling of 40004342003 in words is "forty billion, four million, three hundred forty-two thousand, three".