40422121443 has 128 divisors (see below), whose sum is σ = 69862440960. Its totient is φ = 22858640640.

The previous prime is 40422121423. The next prime is 40422121447. The reversal of 40422121443 is 34412122404.

40422121443 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 212 + 1 + 443 = 666.

It is not a de Polignac number, because 40422121443 - 2¹⁰ = 40422120419 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (40422121447) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 51361896 + ... + 51362682.

It is an arithmetic number, because the mean of its divisors is an integer number (545800320).

Almost surely, 2^40422121443 is an apocalyptic number.

40422121443 is a deficient number, since it is larger than the sum of its proper divisors (29440319517).

40422121443 is a wasteful number, since it uses less digits than its factorization.

40422121443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 40422121443 its reverse (34412122404), we get a palindrome (74834243847).

The spelling of 40422121443 in words is "forty billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred forty-three".