620450065144500 has 96 divisors (see below), whose sum is σ = 1833717016709760. Its totient is φ = 162983897683200.

The previous prime is 620450065144487. The next prime is 620450065144561. The reversal of 620450065144500 is 5441560054026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3086715745 + ... + 3086916744.

It is an arithmetic number, because the mean of its divisors is an integer number (19101218924060).

Almost surely, 2^{620450065144500} is an apocalyptic number.

620450065144500 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

620450065144500 is an abundant number, since it is smaller than the sum of its proper divisors (1213266951565260).

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

620450065144500 is a wasteful number, since it uses less digits than its factorization.

620450065144500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6173632578 (or 6173632566 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 620450065144500 in words is "six hundred twenty trillion, four hundred fifty billion, sixty-five million, one hundred forty-four thousand, five hundred".