2402045321 has 16 divisors (see below), whose sum is σ = 2682408960. Its totient is φ = 2135703360.

The previous prime is 2402045281. The next prime is 2402045329. The reversal of 2402045321 is 1235402042.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2402045321 - 2¹⁰ = 2402044297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2402045329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155096 + ... + 169878.

It is an arithmetic number, because the mean of its divisors is an integer number (167650560).

Almost surely, 2^2402045321 is an apocalyptic number.

It is an amenable number.

2402045321 is a deficient number, since it is larger than the sum of its proper divisors (280363639).

2402045321 is a wasteful number, since it uses less digits than its factorization.

2402045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15256.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2402045321 is about 49010.6653800986. The cubic root of 2402045321 is about 1339.2461269703.

Adding to 2402045321 its reverse (1235402042), we get a palindrome (3637447363).

The spelling of 2402045321 in words is "two billion, four hundred two million, forty-five thousand, three hundred twenty-one".