2302438905 has 128 divisors (see below), whose sum is σ = 4802112000. Its totient is φ = 1036385280.

The previous prime is 2302438903. The next prime is 2302438921. The reversal of 2302438905 is 5098342032.

It is not a de Polignac number, because 2302438905 - 2¹ = 2302438903 is a prime.

It is a super-2 number, since 2×2302438905² = 10602449822515198050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2302438905.

It is not an unprimeable number, because it can be changed into a prime (2302438903) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 965815 + ... + 968195.

It is an arithmetic number, because the mean of its divisors is an integer number (37516500).

Almost surely, 2^2302438905 is an apocalyptic number.

It is an amenable number.

2302438905 is an abundant number, since it is smaller than the sum of its proper divisors (2499673095).

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

2302438905 is a wasteful number, since it uses less digits than its factorization.

2302438905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2456 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2302438905 is about 47983.7358383025. The cubic root of 2302438905 is about 1320.4725322695.

The spelling of 2302438905 in words is "two billion, three hundred two million, four hundred thirty-eight thousand, nine hundred five".