618809472 has 96 divisors (see below), whose sum is σ = 1785962880. Its totient is φ = 205659648.

The previous prime is 618809467. The next prime is 618809501. The reversal of 618809472 is 274908816.

It is a tau number, because it is divible by the number of its divisors (96).

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, 560473 + ... + 561575.

It is an arithmetic number, because the mean of its divisors is an integer number (18603780).

Almost surely, 2^618809472 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 618809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892981440).

618809472 is an abundant number, since it is smaller than the sum of its proper divisors (1167153408).

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

618809472 is a wasteful number, since it uses less digits than its factorization.

618809472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610 (or 1595 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 618809472 is about 24875.8813311207. The cubic root of 618809472 is about 852.1557607177.

The spelling of 618809472 in words is "six hundred eighteen million, eight hundred nine thousand, four hundred seventy-two".