43648256652 has 432 divisors, whose sum is σ = 142127298432. Its totient is φ = 10302888960.

The previous prime is 43648256633. The next prime is 43648256683. The reversal of 43648256652 is 25665284634.

It is a junction number, because it is equal to n+sod(n) for n = 43648256595 and 43648256604.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 79795443 + ... + 79795989.

It is an arithmetic number, because the mean of its divisors is an integer number (328998376).

Almost surely, 2^43648256652 is an apocalyptic number.

43648256652 is a gapful number since it is divisible by the number (42) 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 43648256652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71063649216).

43648256652 is an abundant number, since it is smaller than the sum of its proper divisors (98479041780).

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

43648256652 is a wasteful number, since it uses less digits than its factorization.

43648256652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678 (or 656 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 51.

The spelling of 43648256652 in words is "forty-three billion, six hundred forty-eight million, two hundred fifty-six thousand, six hundred fifty-two".