501472617017020 has 96 divisors (see below), whose sum is σ = 1151678762148096. Its totient is φ = 181901470118400.

The previous prime is 501472617016901. The next prime is 501472617017027. The reversal of 501472617017020 is 20710716274105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501472617017027) 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, 302564775 + ... + 304217665.

It is an arithmetic number, because the mean of its divisors is an integer number (11996653772376).

Almost surely, 2^{501472617017020} 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 501472617017020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575839381074048).

501472617017020 is an abundant number, since it is smaller than the sum of its proper divisors (650206145131076).

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

501472617017020 is a wasteful number, since it uses less digits than its factorization.

501472617017020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656331 (or 1656329 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 43.

The spelling of 501472617017020 in words is "five hundred one trillion, four hundred seventy-two billion, six hundred seventeen million, seventeen thousand, twenty".