40040232220444 has 6 divisors (see below), whose sum is σ = 70070406385784. Its totient is φ = 20020116110220.

The previous prime is 40040232220421. The next prime is 40040232220463. The reversal of 40040232220444 is 44402223204004.

It is a super-2 number, since 2×40040232220444² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005029027552 + ... + 5005029027559.

Almost surely, 2^{40040232220444} is an apocalyptic number.

It is an amenable number.

40040232220444 is a deficient number, since it is larger than the sum of its proper divisors (30030174165340).

40040232220444 is a wasteful number, since it uses less digits than its factorization.

40040232220444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010058055115 (or 10010058055113 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 40040232220444 its reverse (44402223204004), we get a palindrome (84442455424448).

The spelling of 40040232220444 in words is "forty trillion, forty billion, two hundred thirty-two million, two hundred twenty thousand, four hundred forty-four".