40204121420003 has 4 divisors (see below), whose sum is σ = 40311907268688. Its totient is φ = 40096335571320.

The previous prime is 40204121419963. The next prime is 40204121420009. The reversal of 40204121420003 is 30002412140204.

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 40204121420003 - 2¹⁴ = 40204121403619 is a prime.

It is a super-2 number, since 2×40204121420003² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40204121420009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53892923783 + ... + 53892924528.

It is an arithmetic number, because the mean of its divisors is an integer number (10077976817172).

Almost surely, 2^{40204121420003} is an apocalyptic number.

40204121420003 is a deficient number, since it is larger than the sum of its proper divisors (107785848685).

40204121420003 is a wasteful number, since it uses less digits than its factorization.

40204121420003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107785848684.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40204121420003 its reverse (30002412140204), we get a palindrome (70206533560207).

The spelling of 40204121420003 in words is "forty trillion, two hundred four billion, one hundred twenty-one million, four hundred twenty thousand, three".