40422121403 has 4 divisors (see below), whose sum is σ = 40423797048. Its totient is φ = 40420445760.

The previous prime is 40422121391. The next prime is 40422121409. The reversal of 40422121403 is 30412122404.

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 40422121403 - 2⁶ = 40422121339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40422121409) 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, 801101 + ... + 850062.

It is an arithmetic number, because the mean of its divisors is an integer number (10105949262).

Almost surely, 2^40422121403 is an apocalyptic number.

40422121403 is a deficient number, since it is larger than the sum of its proper divisors (1675645).

40422121403 is a wasteful number, since it uses less digits than its factorization.

40422121403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675644.

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

Adding to 40422121403 its reverse (30412122404), we get a palindrome (70834243807).

The spelling of 40422121403 in words is "forty billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred three".