508581047450 has 144 divisors (see below), whose sum is σ = 1182969463680. Its totient is φ = 161677797120.

The previous prime is 508581047441. The next prime is 508581047477. The reversal of 508581047450 is 54740185805.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a junction number, because it is equal to n+sod(n) for n = 508581047395 and 508581047404.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2071622 + ... + 2304078.

It is an arithmetic number, because the mean of its divisors is an integer number (8215065720).

Almost surely, 2^508581047450 is an apocalyptic number.

508581047450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

508581047450 is an abundant number, since it is smaller than the sum of its proper divisors (674388416230).

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

508581047450 is a wasteful number, since it uses less digits than its factorization.

508581047450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232549 (or 232537 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 508581047450 in words is "five hundred eight billion, five hundred eighty-one million, forty-seven thousand, four hundred fifty".