501420355423000 has 256 divisors, whose sum is σ = 1275309427392000. Its totient is φ = 183421490688000.

The previous prime is 501420355422913. The next prime is 501420355423021. The reversal of 501420355423000 is 324553024105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22375835796 + ... + 22375858204.

It is an arithmetic number, because the mean of its divisors is an integer number (4981677450750).

Almost surely, 2^{501420355423000} is an apocalyptic number.

501420355423000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 501420355423000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637654713696000).

501420355423000 is an abundant number, since it is smaller than the sum of its proper divisors (773889071969000).

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

501420355423000 is a wasteful number, since it uses less digits than its factorization.

501420355423000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38343 (or 38329 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 501420355423000 in words is "five hundred one trillion, four hundred twenty billion, three hundred fifty-five million, four hundred twenty-three thousand".