40040404222004 has 48 divisors (see below), whose sum is σ = 74607577873920. Its totient is φ = 18737144455680.

The previous prime is 40040404221977. The next prime is 40040404222079. The reversal of 40040404222004 is 40022240404004.

It is a super-2 number, since 2×40040404222004² (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 in 15 ways as a sum of consecutive naturals, for example, 191001557 + ... + 191211075.

It is an arithmetic number, because the mean of its divisors is an integer number (1554324539040).

Almost surely, 2^{40040404222004} is an apocalyptic number.

It is an amenable number.

40040404222004 is a deficient number, since it is larger than the sum of its proper divisors (34567173651916).

40040404222004 is a wasteful number, since it uses less digits than its factorization.

40040404222004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225248 (or 225246 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 40040404222004 its reverse (40022240404004), we get a palindrome (80062644626008).

The spelling of 40040404222004 in words is "forty trillion, forty billion, four hundred four million, two hundred twenty-two thousand, four".