505457620250 has 32 divisors (see below), whose sum is σ = 1032236367552. Its totient is φ = 183802770000.

The previous prime is 505457620237. The next prime is 505457620273. The reversal of 505457620250 is 52026754505.

It is a junction number, because it is equal to n+sod(n) for n = 505457620198 and 505457620207.

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, 91898636 + ... + 91904135.

It is an arithmetic number, because the mean of its divisors is an integer number (32257386486).

Almost surely, 2^505457620250 is an apocalyptic number.

505457620250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505457620250 is an abundant number, since it is smaller than the sum of its proper divisors (526778747302).

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

505457620250 is a wasteful number, since it uses less digits than its factorization.

505457620250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183802799 (or 183802789 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 41.

The spelling of 505457620250 in words is "five hundred five billion, four hundred fifty-seven million, six hundred twenty thousand, two hundred fifty".