504238640000 has 160 divisors (see below), whose sum is σ = 1284471681240. Its totient is φ = 197003520000.

The previous prime is 504238639997. The next prime is 504238640023. The reversal of 504238640000 is 46832405.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3366710 + ... + 3513290.

Almost surely, 2^504238640000 is an apocalyptic number.

504238640000 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 504238640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642235840620).

504238640000 is an abundant number, since it is smaller than the sum of its proper divisors (780233041240).

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

504238640000 is an equidigital number, since it uses as much as digits as its factorization.

504238640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146658 (or 146631 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 504238640000 in words is "five hundred four billion, two hundred thirty-eight million, six hundred forty thousand".