40024244040442 has 8 divisors (see below), whose sum is σ = 60038786078100. Its totient is φ = 20011315347744.

The previous prime is 40024244040439. The next prime is 40024244040497. The reversal of 40024244040442 is 24404044242004.

It can be written as a sum of positive squares in 2 ways, for example, as 40023476140921 + 767899521 = 6326411^2 + 27711^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40024244040442² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40024244040398 and 40024244040407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403274217 + ... + 403373452.

Almost surely, 2^{40024244040442} is an apocalyptic number.

40024244040442 is a deficient number, since it is larger than the sum of its proper divisors (20014542037658).

40024244040442 is a wasteful number, since it uses less digits than its factorization.

40024244040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806672480.

The product of its (nonzero) digits is 131072, while the sum is 34.

Adding to 40024244040442 its reverse (24404044242004), we get a palindrome (64428288282446).

The spelling of 40024244040442 in words is "forty trillion, twenty-four billion, two hundred forty-four million, forty thousand, four hundred forty-two".