40121608242244 has 9 divisors (see below), whose sum is σ = 70212836593501. Its totient is φ = 20060797786960.

The previous prime is 40121608242229. The next prime is 40121608242329. The reversal of 40121608242244 is 44224280612104.

The square root of 40121608242244 is 6334162.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 19573881880644 + 20547726361600 = 4424238^2 + 4532960^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40121608242197 and 40121608242206.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11084784 + ... + 14251864.

Almost surely, 2^{40121608242244} is an apocalyptic number.

40121608242244 is the 6334162-nd square number.

It is an amenable number.

40121608242244 is a deficient number, since it is larger than the sum of its proper divisors (30091228351257).

40121608242244 is an frugal number, since it uses more digits than its factorization.

40121608242244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334166 (or 3167083 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

Adding to 40121608242244 its reverse (44224280612104), we get a palindrome (84345888854348).

The spelling of 40121608242244 in words is "forty trillion, one hundred twenty-one billion, six hundred eight million, two hundred forty-two thousand, two hundred forty-four".