505240445650 has 96 divisors (see below), whose sum is σ = 959057366400. Its totient is φ = 197995776000.

The previous prime is 505240445639. The next prime is 505240445669. The reversal of 505240445650 is 56544042505.

It is a happy number.

It is a super-2 number, since 2×505240445650² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 247787331 + ... + 247789369.

It is an arithmetic number, because the mean of its divisors is an integer number (9990180900).

Almost surely, 2^505240445650 is an apocalyptic number.

505240445650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505240445650 is a deficient number, since it is larger than the sum of its proper divisors (453816920750).

505240445650 is a wasteful number, since it uses less digits than its factorization.

505240445650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 505240445650 in words is "five hundred five billion, two hundred forty million, four hundred forty-five thousand, six hundred fifty".