501036461604 has 144 divisors (see below), whose sum is σ = 1451458689408. Its totient is φ = 142756314624.

The previous prime is 501036461591. The next prime is 501036461617. The reversal of 501036461604 is 406164630105.

It is a happy number.

501036461604 is a `hidden beast` number, since 5 + 0 + 1 + 0 + 3 + 6 + 46 + 1 + 604 = 666.

It is an interprime number because it is at equal distance from previous prime (501036461591) and next prime (501036461617).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 213478359 + ... + 213480705.

It is an arithmetic number, because the mean of its divisors is an integer number (10079574232).

Almost surely, 2^501036461604 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 501036461604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725729344704).

501036461604 is an abundant number, since it is smaller than the sum of its proper divisors (950422227804).

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

501036461604 is a wasteful number, since it uses less digits than its factorization.

501036461604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4354 (or 4349 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 501036461604 in words is "five hundred one billion, thirty-six million, four hundred sixty-one thousand, six hundred four".