505531041407 has 16 divisors (see below), whose sum is σ = 587402217792. Its totient is φ = 426108211200.

The previous prime is 505531041391. The next prime is 505531041427. The reversal of 505531041407 is 704140135505.

It is a happy number.

It is not a de Polignac number, because 505531041407 - 2⁴ = 505531041391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505531041427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1295594 + ... + 1640007.

It is an arithmetic number, because the mean of its divisors is an integer number (36712638612).

Almost surely, 2^505531041407 is an apocalyptic number.

505531041407 is a deficient number, since it is larger than the sum of its proper divisors (81871176385).

505531041407 is a wasteful number, since it uses less digits than its factorization.

505531041407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2936018.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 505531041407 in words is "five hundred five billion, five hundred thirty-one million, forty-one thousand, four hundred seven".