2040311421 has 6 divisors (see below), whose sum is σ = 2947116510. Its totient is φ = 1360207608.

The previous prime is 2040311419. The next prime is 2040311503. The reversal of 2040311421 is 1241130402.

It can be written as a sum of positive squares in only one way, i.e., 1121312196 + 918999225 = 33486^2 + 30315^2 .

It is not a de Polignac number, because 2040311421 - 2¹ = 2040311419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2040311394 and 2040311403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040311401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 113350626 + ... + 113350643.

It is an arithmetic number, because the mean of its divisors is an integer number (491186085).

Almost surely, 2^2040311421 is an apocalyptic number.

It is an amenable number.

2040311421 is a deficient number, since it is larger than the sum of its proper divisors (906805089).

2040311421 is a wasteful number, since it uses less digits than its factorization.

2040311421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226701275 (or 226701272 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2040311421 is about 45169.8065193997. The cubic root of 2040311421 is about 1268.3296744597.

Adding to 2040311421 its reverse (1241130402), we get a palindrome (3281441823).

The spelling of 2040311421 in words is "two billion, forty million, three hundred eleven thousand, four hundred twenty-one".