620645416300 has 144 divisors (see below), whose sum is σ = 1755107040960. Its totient is φ = 184869642240.

The previous prime is 620645416271. The next prime is 620645416309. The reversal of 620645416300 is 3614546026.

It is a self number, because there is not a number n which added to its sum of digits gives 620645416300.

It is not an unprimeable number, because it can be changed into a prime (620645416309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1851265 + ... + 2160664.

It is an arithmetic number, because the mean of its divisors is an integer number (12188243340).

Almost surely, 2^620645416300 is an apocalyptic number.

It is an amenable number.

620645416300 is an abundant number, since it is smaller than the sum of its proper divisors (1134461624660).

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

620645416300 is a wasteful number, since it uses less digits than its factorization.

620645416300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011980 (or 4011973 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 620645416300 in words is "six hundred twenty billion, six hundred forty-five million, four hundred sixteen thousand, three hundred".