620454500 has 96 divisors (see below), whose sum is σ = 1437596160. Its totient is φ = 233280000.

The previous prime is 620454479. The next prime is 620454503. The reversal of 620454500 is 5454026.

620454500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 620454500.

It is not an unprimeable number, because it can be changed into a prime (620454503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2289365 + ... + 2289635.

It is an arithmetic number, because the mean of its divisors is an integer number (14974960).

Almost surely, 2^620454500 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 620454500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718798080).

620454500 is an abundant number, since it is smaller than the sum of its proper divisors (817141660).

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

620454500 is a wasteful number, since it uses less digits than its factorization.

620454500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 620454500 is about 24908.9241036220. The cubic root of 620454500 is about 852.9102092695.

The spelling of 620454500 in words is "six hundred twenty million, four hundred fifty-four thousand, five hundred".