618282720000 has 900 divisors, whose sum is σ = 2513784812616. Its totient is φ = 149852160000.

The previous prime is 618282719969. The next prime is 618282720017. The reversal of 618282720000 is 27282816.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (900).

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

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 142557832 + ... + 142562168.

Almost surely, 2^618282720000 is an apocalyptic number.

618282720000 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 618282720000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1256892406308).

618282720000 is an abundant number, since it is smaller than the sum of its proper divisors (1895502092616).

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

618282720000 is an equidigital number, since it uses as much as digits as its factorization.

618282720000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4396 (or 4358 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The spelling of 618282720000 in words is "six hundred eighteen billion, two hundred eighty-two million, seven hundred twenty thousand".