4137543640 has 96 divisors (see below), whose sum is σ = 10026816480. Its totient is φ = 1536012288.

The previous prime is 4137543637. The next prime is 4137543647. The reversal of 4137543640 is 463457314.

It is a self number, because there is not a number n which added to its sum of digits gives 4137543640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4137543647) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841429 + ... + 846331.

It is an arithmetic number, because the mean of its divisors is an integer number (104446005).

Almost surely, 2^4137543640 is an apocalyptic number.

4137543640 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 4137543640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5013408240).

4137543640 is an abundant number, since it is smaller than the sum of its proper divisors (5889272840).

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

4137543640 is a wasteful number, since it uses less digits than its factorization.

4137543640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 4137543640 is about 64323.7408738018. The cubic root of 4137543640 is about 1605.3911424619.

The spelling of 4137543640 in words is "four billion, one hundred thirty-seven million, five hundred forty-three thousand, six hundred forty".