504638641600 has 42 divisors (see below), whose sum is σ = 1241726461424. Its totient is φ = 201855456000.

The previous prime is 504638641553. The next prime is 504638641603. The reversal of 504638641600 is 6146836405.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504638641603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157697976 + ... + 157701175.

Almost surely, 2^504638641600 is an apocalyptic number.

504638641600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

504638641600 is an abundant number, since it is smaller than the sum of its proper divisors (737087819824).

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

504638641600 is a wasteful number, since it uses less digits than its factorization.

504638641600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315399173 (or 315399158 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 504638641600 in words is "five hundred four billion, six hundred thirty-eight million, six hundred forty-one thousand, six hundred".