4326691840 has 88 divisors (see below), whose sum is σ = 10555642080. Its totient is φ = 1701224448.

The previous prime is 4326691769. The next prime is 4326691841. The reversal of 4326691840 is 481966234.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4326691841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294919 + ... + 309241.

Almost surely, 2^4326691840 is an apocalyptic number.

4326691840 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 4326691840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5277821040).

4326691840 is an abundant number, since it is smaller than the sum of its proper divisors (6228950240).

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

4326691840 is a wasteful number, since it uses less digits than its factorization.

4326691840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14407 (or 14389 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 4326691840 is about 65777.5937534963. The cubic root of 4326691840 is about 1629.4910827955.

The spelling of 4326691840 in words is "four billion, three hundred twenty-six million, six hundred ninety-one thousand, eight hundred forty".