612884880 has 320 divisors, whose sum is σ = 2225571840. Its totient is φ = 156764160.

The previous prime is 612884821. The next prime is 612884929. The reversal of 612884880 is 88488216.

It is a happy number.

It is a super-2 number, since 2×612884880² = 751255752265228800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5423704 + ... + 5423816.

It is an arithmetic number, because the mean of its divisors is an integer number (6954912).

Almost surely, 2^612884880 is an apocalyptic number.

612884880 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 612884880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1112785920).

612884880 is an abundant number, since it is smaller than the sum of its proper divisors (1612686960).

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

612884880 is a wasteful number, since it uses less digits than its factorization.

612884880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 45.

The square root of 612884880 is about 24756.5118706170. The cubic root of 612884880 is about 849.4274714306.

The spelling of 612884880 in words is "six hundred twelve million, eight hundred eighty-four thousand, eight hundred eighty".