505254450 has 48 divisors (see below), whose sum is σ = 1326745440. Its totient is φ = 126808320.

The previous prime is 505254427. The next prime is 505254487. The reversal of 505254450 is 54452505.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96520 + ... + 101619.

It is an arithmetic number, because the mean of its divisors is an integer number (27640530).

Almost surely, 2^505254450 is an apocalyptic number.

505254450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505254450 is an abundant number, since it is smaller than the sum of its proper divisors (821490990).

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

505254450 is a wasteful number, since it uses less digits than its factorization.

505254450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198171 (or 198166 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 30.

The square root of 505254450 is about 22477.8657794729. The cubic root of 505254450 is about 796.4711496145.

The spelling of 505254450 in words is "five hundred five million, two hundred fifty-four thousand, four hundred fifty".