2343638544 has 160 divisors (see below), whose sum is σ = 6917723904. Its totient is φ = 678205440.

The previous prime is 2343638527. The next prime is 2343638599. The reversal of 2343638544 is 4458363432.

It is a junction number, because it is equal to n+sod(n) for n = 2343638496 and 2343638505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 874134 + ... + 876810.

Almost surely, 2^2343638544 is an apocalyptic number.

2343638544 is a gapful number since it is divisible by the number (24) 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 2343638544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3458861952).

2343638544 is an abundant number, since it is smaller than the sum of its proper divisors (4574085360).

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

2343638544 is a wasteful number, since it uses less digits than its factorization.

2343638544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2779 counting only the distinct ones).

The product of its digits is 829440, while the sum is 42.

The square root of 2343638544 is about 48411.1407012890. The cubic root of 2343638544 is about 1328.3021552025.

The spelling of 2343638544 in words is "two billion, three hundred forty-three million, six hundred thirty-eight thousand, five hundred forty-four".