40422121472 has 28 divisors (see below), whose sum is σ = 80839324986. Its totient is φ = 20211056640.

The previous prime is 40422121447. The next prime is 40422121529. The reversal of 40422121472 is 27412122404.

It can be written as a sum of positive squares in only one way, i.e., 34709180416 + 5712941056 = 186304^2 + 75584^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2458979 + ... + 2475362.

Almost surely, 2^40422121472 is an apocalyptic number.

It is an amenable number.

40422121472 is a deficient number, since it is larger than the sum of its proper divisors (40417203514).

40422121472 is an frugal number, since it uses more digits than its factorization.

40422121472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934367 (or 4934343 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 40422121472 its reverse (27412122404), we get a palindrome (67834243876).

The spelling of 40422121472 in words is "forty billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred seventy-two".