400144542000140 has 72 divisors (see below), whose sum is σ = 977504922097200. Its totient is φ = 137191155523968.

The previous prime is 400144542000113. The next prime is 400144542000241. The reversal of 400144542000140 is 41000245441004.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108284867 + ... + 111919173.

It is an arithmetic number, because the mean of its divisors is an integer number (13576457251350).

Almost surely, 2^{400144542000140} is an apocalyptic number.

It is an amenable number.

400144542000140 is an abundant number, since it is smaller than the sum of its proper divisors (577360380097060).

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

400144542000140 is a wasteful number, since it uses less digits than its factorization.

400144542000140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3746679 (or 3746670 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 400144542000140 its reverse (41000245441004), we get a palindrome (441144787441144).

The spelling of 400144542000140 in words is "four hundred trillion, one hundred forty-four billion, five hundred forty-two million, one hundred forty", and thus it is an aban number.