505544042415 has 32 divisors (see below), whose sum is σ = 821170434240. Its totient is φ = 265534488576.

The previous prime is 505544042383. The next prime is 505544042417. The reversal of 505544042415 is 514240445505.

It is not a de Polignac number, because 505544042415 - 2⁵ = 505544042383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505544042417) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 393931 + ... + 1079939.

It is an arithmetic number, because the mean of its divisors is an integer number (25661576070).

Almost surely, 2^505544042415 is an apocalyptic number.

505544042415 is a deficient number, since it is larger than the sum of its proper divisors (315626391825).

505544042415 is a wasteful number, since it uses less digits than its factorization.

505544042415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686763.

The product of its (nonzero) digits is 320000, while the sum is 39.

The spelling of 505544042415 in words is "five hundred five billion, five hundred forty-four million, forty-two thousand, four hundred fifteen".