5418949872 has 160 divisors (see below), whose sum is σ = 17127475200. Its totient is φ = 1441822464.

The previous prime is 5418949867. The next prime is 5418949957. The reversal of 5418949872 is 2789498145.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369463 + ... + 383849.

It is an arithmetic number, because the mean of its divisors is an integer number (107046720).

Almost surely, 2^5418949872 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 5418949872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8563737600).

5418949872 is an abundant number, since it is smaller than the sum of its proper divisors (11708525328).

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

5418949872 is a wasteful number, since it uses less digits than its factorization.

5418949872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14483 (or 14477 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 57.

The square root of 5418949872 is about 73613.5169109587. The cubic root of 5418949872 is about 1756.4604604325.

The spelling of 5418949872 in words is "five billion, four hundred eighteen million, nine hundred forty-nine thousand, eight hundred seventy-two".