2140121044404 has 72 divisors (see below), whose sum is σ = 6227700268608. Its totient is φ = 606999911040.

The previous prime is 2140121044363. The next prime is 2140121044427. The reversal of 2140121044404 is 4044401210412.

It is a happy number.

2140121044404 is a `hidden beast` number, since 2 + 1 + 4 + 0 + 1 + 210 + 4 + 440 + 4 = 666.

It is a congruent number.

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, 30960162 + ... + 31029209.

It is an arithmetic number, because the mean of its divisors is an integer number (86495837064).

Almost surely, 2^{2140121044404} is an apocalyptic number.

It is an amenable number.

2140121044404 is an abundant number, since it is smaller than the sum of its proper divisors (4087579224204).

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

2140121044404 is a wasteful number, since it uses less digits than its factorization.

2140121044404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61989525 (or 61989520 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 2140121044404 its reverse (4044401210412), we get a palindrome (6184522254816).

The spelling of 2140121044404 in words is "two trillion, one hundred forty billion, one hundred twenty-one million, forty-four thousand, four hundred four".