618764480 has 56 divisors (see below), whose sum is σ = 1497634800. Its totient is φ = 243440640.

The previous prime is 618764479. The next prime is 618764527. The reversal of 618764480 is 84467816.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3671 + ... + 35369.

Almost surely, 2^618764480 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 618764480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (748817400).

618764480 is an abundant number, since it is smaller than the sum of its proper divisors (878870320).

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

618764480 is a wasteful number, since it uses less digits than its factorization.

618764480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31777 (or 31767 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 618764480 is about 24874.9769849140. The cubic root of 618764480 is about 852.1351075533.

The spelling of 618764480 in words is "six hundred eighteen million, seven hundred sixty-four thousand, four hundred eighty".