43479315648 has 112 divisors (see below), whose sum is σ = 128741424000. Its totient is φ = 14388758784.

The previous prime is 43479315647. The next prime is 43479315679. The reversal of 43479315648 is 84651397434.

43479315648 is a `hidden beast` number, since 4 + 3 + 4 + 79 + 3 + 1 + 564 + 8 = 666.

It is a super-3 number, since 3×43479315648³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 43479315594 and 43479315603.

It is not an unprimeable number, because it can be changed into a prime (43479315647) 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, 149683 + ... + 330701.

It is an arithmetic number, because the mean of its divisors is an integer number (1149477000).

Almost surely, 2^43479315648 is an apocalyptic number.

43479315648 is a gapful number since it is divisible by the number (48) 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 43479315648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64370712000).

43479315648 is an abundant number, since it is smaller than the sum of its proper divisors (85262108352).

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

43479315648 is a wasteful number, since it uses less digits than its factorization.

43479315648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181179 (or 181163 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The spelling of 43479315648 in words is "forty-three billion, four hundred seventy-nine million, three hundred fifteen thousand, six hundred forty-eight".