503852578440 has 128 divisors (see below), whose sum is σ = 1593800841600. Its totient is φ = 127074078720.

The previous prime is 503852578423. The next prime is 503852578457. The reversal of 503852578440 is 44875258305.

It is an interprime number because it is at equal distance from previous prime (503852578423) and next prime (503852578457).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1165710 + ... + 1538370.

It is an arithmetic number, because the mean of its divisors is an integer number (12451569075).

Almost surely, 2^503852578440 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 503852578440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (796900420800).

503852578440 is an abundant number, since it is smaller than the sum of its proper divisors (1089948263160).

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

503852578440 is a wasteful number, since it uses less digits than its factorization.

503852578440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373287 (or 373283 counting only the distinct ones).

The product of its (nonzero) digits is 5376000, while the sum is 51.

The spelling of 503852578440 in words is "five hundred three billion, eight hundred fifty-two million, five hundred seventy-eight thousand, four hundred forty".