503361258040 has 128 divisors (see below), whose sum is σ = 1185867345600. Its totient is φ = 192044482560.

The previous prime is 503361258019. The next prime is 503361258041. The reversal of 503361258040 is 40852163305.

It is a super-2 number, since 2×503361258040² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503361258041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66045430 + ... + 66053050.

Almost surely, 2^503361258040 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 503361258040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592933672800).

503361258040 is an abundant number, since it is smaller than the sum of its proper divisors (682506087560).

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

503361258040 is a wasteful number, since it uses less digits than its factorization.

503361258040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8345 (or 8341 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 503361258040 in words is "five hundred three billion, three hundred sixty-one million, two hundred fifty-eight thousand, forty".