43648723152 has 80 divisors (see below), whose sum is σ = 125470173760. Its totient is φ = 14528419200.

The previous prime is 43648723147. The next prime is 43648723159. The reversal of 43648723152 is 25132784634.

43648723152 is a `hidden beast` number, since 4 + 364 + 8 + 7 + 231 + 52 = 666.

It is a super-2 number, since 2×43648723152² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43648723098 and 43648723107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43648723159) 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, 225402 + ... + 371622.

It is an arithmetic number, because the mean of its divisors is an integer number (1568377172).

Almost surely, 2^43648723152 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 43648723152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62735086880).

43648723152 is an abundant number, since it is smaller than the sum of its proper divisors (81821450608).

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

43648723152 is a wasteful number, since it uses less digits than its factorization.

43648723152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146929 (or 146917 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 43648723152 in words is "forty-three billion, six hundred forty-eight million, seven hundred twenty-three thousand, one hundred fifty-two".