40022821996 has 12 divisors (see below), whose sum is σ = 71188134640. Its totient is φ = 19683354960.

The previous prime is 40022821973. The next prime is 40022821997. The reversal of 40022821996 is 69912822004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40022821997) 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, 82013736 + ... + 82014223.

Almost surely, 2^40022821996 is an apocalyptic number.

It is an amenable number.

40022821996 is a deficient number, since it is larger than the sum of its proper divisors (31165312644).

40022821996 is a wasteful number, since it uses less digits than its factorization.

40022821996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164028024 (or 164028022 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

It can be divided in two parts, 400228 and 21996, that added together give a palindrome (422224).

The spelling of 40022821996 in words is "forty billion, twenty-two million, eight hundred twenty-one thousand, nine hundred ninety-six".