2040321251 has 8 divisors (see below), whose sum is σ = 2156697600. Its totient is φ = 1924844040.

The previous prime is 2040321247. The next prime is 2040321263. The reversal of 2040321251 is 1521230402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040321251 - 2² = 2040321247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2040321271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220115 + ... + 229196.

It is an arithmetic number, because the mean of its divisors is an integer number (269587200).

Almost surely, 2^2040321251 is an apocalyptic number.

2040321251 is a deficient number, since it is larger than the sum of its proper divisors (116376349).

2040321251 is a wasteful number, since it uses less digits than its factorization.

2040321251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449569.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2040321251 is about 45169.9153308925. The cubic root of 2040321251 is about 1268.3317113482.

Adding to 2040321251 its reverse (1521230402), we get a palindrome (3561551653).

The spelling of 2040321251 in words is "two billion, forty million, three hundred twenty-one thousand, two hundred fifty-one".