618464880 has 360 divisors, whose sum is σ = 2366931840. Its totient is φ = 144460800.

The previous prime is 618464867. The next prime is 618464881. The reversal of 618464880 is 88464816.

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618464881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2700606 + ... + 2700834.

Almost surely, 2^618464880 is an apocalyptic number.

618464880 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 618464880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1183465920).

618464880 is an abundant number, since it is smaller than the sum of its proper divisors (1748466960).

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

618464880 is a wasteful number, since it uses less digits than its factorization.

618464880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 618464880 is about 24868.9541396497. The cubic root of 618464880 is about 851.9975533885.

The spelling of 618464880 in words is "six hundred eighteen million, four hundred sixty-four thousand, eight hundred eighty".