79732224450 has 486 divisors, whose sum is σ = 244725210561. Its totient is φ = 19321182720.

The previous prime is 79732224449. The next prime is 79732224463. The reversal of 79732224450 is 5442223797.

It can be written as a sum of positive squares in 14 ways, for example, as 2497700529 + 77234523921 = 49977^2 + 277911^2 .

It is a tau number, because it is divible by the number of its divisors (486).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=199665.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 79732224396 and 79732224405.

It is an unprimeable number.

It is a polite number, since it can be written in 242 ways as a sum of consecutive naturals, for example, 2749387036 + ... + 2749387064.

Almost surely, 2^79732224450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79732224450

79732224450 is an abundant number, since it is smaller than the sum of its proper divisors (164992986111).

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

79732224450 is an equidigital number, since it uses as much as digits as its factorization.

79732224450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 79732224450 in words is "seventy-nine billion, seven hundred thirty-two million, two hundred twenty-four thousand, four hundred fifty".