2345665432 has 64 divisors (see below), whose sum is σ = 4935168000. Its totient is φ = 1035936000.

The previous prime is 2345665409. The next prime is 2345665447.

2345665432 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976569 + ... + 978967.

It is an arithmetic number, because the mean of its divisors is an integer number (77112000).

Almost surely, 2^2345665432 is an apocalyptic number.

2345665432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2345665432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2467584000).

2345665432 is an abundant number, since it is smaller than the sum of its proper divisors (2589502568).

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

2345665432 is a wasteful number, since it uses less digits than its factorization.

2345665432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2728 (or 2724 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

The square root of 2345665432 is about 48432.0702840587. The cubic root of 2345665432 is about 1328.6849707652.

It can be divided in two parts, 23456 and 65432, that added together give a palindrome (88888).

The spelling of 2345665432 in words is "two billion, three hundred forty-five million, six hundred sixty-five thousand, four hundred thirty-two".