404121201140 has 12 divisors (see below), whose sum is σ = 848654522436. Its totient is φ = 161648480448.

The previous prime is 404121201131. The next prime is 404121201151. The reversal of 404121201140 is 41102121404.

It can be written as a sum of positive squares in 2 ways, for example, as 113119214224 + 291001986916 = 336332^2 + 539446^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 20206060057 = 404121201140 / (4 + 0 + 4 + 1 + 2 + 1 + 2 + 0 + 1 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10103030009 + ... + 10103030048.

It is an arithmetic number, because the mean of its divisors is an integer number (70721210203).

Almost surely, 2^404121201140 is an apocalyptic number.

It is an amenable number.

404121201140 is an abundant number, since it is smaller than the sum of its proper divisors (444533321296).

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

404121201140 is a wasteful number, since it uses less digits than its factorization.

404121201140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20206060066 (or 20206060064 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 404121201140 its reverse (41102121404), we get a palindrome (445223322544).

The spelling of 404121201140 in words is "four hundred four billion, one hundred twenty-one million, two hundred one thousand, one hundred forty".