504105402840 has 64 divisors (see below), whose sum is σ = 1628648229600. Its totient is φ = 124087483392.

The previous prime is 504105402811. The next prime is 504105402859. The reversal of 504105402840 is 48204501405.

It is a happy number.

It is a super-3 number, since 3×504105402840³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161570685 + ... + 161573804.

Almost surely, 2^504105402840 is an apocalyptic number.

It is an amenable number.

504105402840 is an abundant number, since it is smaller than the sum of its proper divisors (1124542826760).

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

504105402840 is a wasteful number, since it uses less digits than its factorization.

504105402840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323144516 (or 323144512 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The spelling of 504105402840 in words is "five hundred four billion, one hundred five million, four hundred two thousand, eight hundred forty".