5423117472 has 72 divisors (see below), whose sum is σ = 15479542260. Its totient is φ = 1800960000.

The previous prime is 5423117461. The next prime is 5423117489. The reversal of 5423117472 is 2747113245.

5423117472 is a `hidden beast` number, since 54 + 23 + 117 + 472 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5405778576 + 17338896 = 73524^2 + 4164^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×5423117472² = 58820406230223341568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42472 + ... + 112472.

Almost surely, 2^5423117472 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 5423117472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7739771130).

5423117472 is an abundant number, since it is smaller than the sum of its proper divisors (10056424788).

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

5423117472 is a wasteful number, since it uses less digits than its factorization.

5423117472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70286 (or 70275 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 5423117472 is about 73641.8187716735. The cubic root of 5423117472 is about 1756.9106306057.

The spelling of 5423117472 in words is "five billion, four hundred twenty-three million, one hundred seventeen thousand, four hundred seventy-two".