8048644540 has 48 divisors (see below), whose sum is σ = 17463333888. Its totient is φ = 3114022464.

The previous prime is 8048644537. The next prime is 8048644547. The reversal of 8048644540 is 454468408.

It is a super-3 number, since 3×8048644540³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8048644547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43149 + ... + 134011.

It is an arithmetic number, because the mean of its divisors is an integer number (363819456).

Almost surely, 2^8048644540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8048644540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8731666944).

8048644540 is an abundant number, since it is smaller than the sum of its proper divisors (9414689348).

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

8048644540 is a wasteful number, since it uses less digits than its factorization.

8048644540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91018 (or 91016 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The square root of 8048644540 is about 89714.2382233723. The cubic root of 8048644540 is about 2004.0455230209.

The spelling of 8048644540 in words is "eight billion, forty-eight million, six hundred forty-four thousand, five hundred forty".