440120000242 has 32 divisors (see below), whose sum is σ = 713458195632. Its totient is φ = 202420076544.

The previous prime is 440120000189. The next prime is 440120000323. The reversal of 440120000242 is 242000021044.

It can be written as a sum of positive squares in 8 ways, for example, as 14414643721 + 425705356521 = 120061^2 + 652461^2 .

It is a super-2 number, since 2×440120000242² (a number of 24 digits) contains 22 as substring.

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, 17485138 + ... + 17510290.

Almost surely, 2^440120000242 is an apocalyptic number.

440120000242 is a deficient number, since it is larger than the sum of its proper divisors (273338195390).

440120000242 is a wasteful number, since it uses less digits than its factorization.

440120000242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27502.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 440120000242 its reverse (242000021044), we get a palindrome (682120021286).

The spelling of 440120000242 in words is "four hundred forty billion, one hundred twenty million, two hundred forty-two", and thus it is an aban number.