2420335645 has 48 divisors (see below), whose sum is σ = 3852597168. Its totient is φ = 1441843200.

The previous prime is 2420335639. The next prime is 2420335669. The reversal of 2420335645 is 5465330242.

It can be written as a sum of positive squares in 8 ways, for example, as 572453476 + 1847882169 = 23926^2 + 42987^2 .

It is not a de Polignac number, because 2420335645 - 2¹⁷ = 2420204573 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2420335645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31795 + ... + 76495.

It is an arithmetic number, because the mean of its divisors is an integer number (80262441).

Almost surely, 2^2420335645 is an apocalyptic number.

It is an amenable number.

2420335645 is a deficient number, since it is larger than the sum of its proper divisors (1432261523).

2420335645 is a wasteful number, since it uses less digits than its factorization.

2420335645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44750 (or 44743 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 34.

The square root of 2420335645 is about 49196.9068641515. The cubic root of 2420335645 is about 1342.6367560867.

Adding to 2420335645 its reverse (5465330242), we get a palindrome (7885665887).

The spelling of 2420335645 in words is "two billion, four hundred twenty million, three hundred thirty-five thousand, six hundred forty-five".