505000529940 has 192 divisors, whose sum is σ = 1555611402240. Its totient is φ = 121837731840.

The previous prime is 505000529939. The next prime is 505000529983. The reversal of 505000529940 is 49925000505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16791997 + ... + 16822043.

It is an arithmetic number, because the mean of its divisors is an integer number (8102142720).

Almost surely, 2^505000529940 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 505000529940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (777805701120).

505000529940 is an abundant number, since it is smaller than the sum of its proper divisors (1050610872300).

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

505000529940 is a wasteful number, since it uses less digits than its factorization.

505000529940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30742 (or 30740 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 505000529940 in words is "five hundred five billion, five hundred twenty-nine thousand, nine hundred forty".