4236234640 has 80 divisors (see below), whose sum is σ = 10754954496. Its totient is φ = 1538969600.

The previous prime is 4236234619. The next prime is 4236234689. The reversal of 4236234640 is 464326324.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4236234596 and 4236234605.

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, 1391520 + ... + 1394560.

Almost surely, 2^4236234640 is an apocalyptic number.

4236234640 is a gapful number since it is divisible by the number (40) 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 4236234640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5377477248).

4236234640 is an abundant number, since it is smaller than the sum of its proper divisors (6518719856).

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

4236234640 is a wasteful number, since it uses less digits than its factorization.

4236234640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4648 (or 4642 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 4236234640 is about 65086.3629341815. The cubic root of 4236234640 is about 1618.0552082751.

The spelling of 4236234640 in words is "four billion, two hundred thirty-six million, two hundred thirty-four thousand, six hundred forty".