4001444111240 has 32 divisors (see below), whose sum is σ = 9003413758680. Its totient is φ = 1600548398592.

The previous prime is 4001444111117. The next prime is 4001444111263. The reversal of 4001444111240 is 421114441004.

It can be written as a sum of positive squares in 4 ways, for example, as 3520449153796 + 480994957444 = 1876286^2 + 693538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373222 + ... + 3144618.

Almost surely, 2^{4001444111240} is an apocalyptic number.

4001444111240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001444111240 is an abundant number, since it is smaller than the sum of its proper divisors (5001969647440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4001444111240 is a wasteful number, since it uses less digits than its factorization.

4001444111240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827881 (or 1827877 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 4001444111240 its reverse (421114441004), we get a palindrome (4422558552244).

The spelling of 4001444111240 in words is "four trillion, one billion, four hundred forty-four million, one hundred eleven thousand, two hundred forty".