5172154380 has 144 divisors (see below), whose sum is σ = 16134902784. Its totient is φ = 1340357760.

The previous prime is 5172154333. The next prime is 5172154381. The reversal of 5172154380 is 834512715.

5172154380 is a `hidden beast` number, since 5 + 1 + 7 + 215 + 438 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5172154381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1631557 + ... + 1634723.

It is an arithmetic number, because the mean of its divisors is an integer number (112047936).

Almost surely, 2^5172154380 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 5172154380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8067451392).

5172154380 is an abundant number, since it is smaller than the sum of its proper divisors (10962748404).

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

5172154380 is a wasteful number, since it uses less digits than its factorization.

5172154380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3431 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 5172154380 is about 71917.6917037804. The cubic root of 5172154380 is about 1729.3802428820.

The spelling of 5172154380 in words is "five billion, one hundred seventy-two million, one hundred fifty-four thousand, three hundred eighty".