620298880 has 64 divisors (see below), whose sum is σ = 1487215080. Its totient is φ = 247398400.

The previous prime is 620298863. The next prime is 620298883. The reversal of 620298880 is 88892026.

It can be written as a sum of positive squares in 4 ways, for example, as 598095936 + 22202944 = 24456^2 + 4712^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (620298883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255432 + ... + 257848.

Almost surely, 2^620298880 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 620298880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (743607540).

620298880 is an abundant number, since it is smaller than the sum of its proper divisors (866916200).

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

620298880 is a wasteful number, since it uses less digits than its factorization.

620298880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2837 (or 2825 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 620298880 is about 24905.8001276811. The cubic root of 620298880 is about 852.8388954260.

The spelling of 620298880 in words is "six hundred twenty million, two hundred ninety-eight thousand, eight hundred eighty".