505405455146 has 8 divisors (see below), whose sum is σ = 758114113824. Its totient is φ = 252700750540.

The previous prime is 505405455097. The next prime is 505405455199. The reversal of 505405455146 is 641554504505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505405455097 and 505405455106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645110 + ... + 1194561.

It is an arithmetic number, because the mean of its divisors is an integer number (94764264228).

Almost surely, 2^505405455146 is an apocalyptic number.

505405455146 is a deficient number, since it is larger than the sum of its proper divisors (252708658678).

505405455146 is a wasteful number, since it uses less digits than its factorization.

505405455146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977036.

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 505405455146 in words is "five hundred five billion, four hundred five million, four hundred fifty-five thousand, one hundred forty-six".