505445635025 has 24 divisors (see below), whose sum is σ = 660352318080. Its totient is φ = 383020640640.

The previous prime is 505445634919. The next prime is 505445635031. The reversal of 505445635025 is 520536544505.

It is not a de Polignac number, because 505445635025 - 2²⁴ = 505428857809 is a prime.

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, 4207940 + ... + 4326389.

It is an arithmetic number, because the mean of its divisors is an integer number (27514679920).

Almost surely, 2^505445635025 is an apocalyptic number.

It is an amenable number.

505445635025 is a deficient number, since it is larger than the sum of its proper divisors (154906683055).

505445635025 is a wasteful number, since it uses less digits than its factorization.

505445635025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534465 (or 8534460 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 44.

The spelling of 505445635025 in words is "five hundred five billion, four hundred forty-five million, six hundred thirty-five thousand, twenty-five".