2121404350 has 48 divisors (see below), whose sum is σ = 4271164128. Its totient is φ = 779264640.

The previous prime is 2121404323. The next prime is 2121404371. The reversal of 2121404350 is 534041212.

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, 119767 + ... + 136333.

It is an arithmetic number, because the mean of its divisors is an integer number (88982586).

Almost surely, 2^2121404350 is an apocalyptic number.

2121404350 is an abundant number, since it is smaller than the sum of its proper divisors (2149759778).

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

2121404350 is a wasteful number, since it uses less digits than its factorization.

2121404350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16789 (or 16784 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2121404350 is about 46058.7054746440. The cubic root of 2121404350 is about 1284.9152542940.

Adding to 2121404350 its reverse (534041212), we get a palindrome (2655445562).

The spelling of 2121404350 in words is "two billion, one hundred twenty-one million, four hundred four thousand, three hundred fifty".