424631505655 has 96 divisors (see below), whose sum is σ = 620149989888. Its totient is φ = 277995110400.

The previous prime is 424631505611. The next prime is 424631505667. The reversal of 424631505655 is 556505136424.

It is not a de Polignac number, because 424631505655 - 2⁹ = 424631505143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 206833609 + ... + 206835661.

It is an arithmetic number, because the mean of its divisors is an integer number (6459895728).

Almost surely, 2^424631505655 is an apocalyptic number.

424631505655 is a deficient number, since it is larger than the sum of its proper divisors (195518484233).

424631505655 is a wasteful number, since it uses less digits than its factorization.

424631505655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 424631505655 in words is "four hundred twenty-four billion, six hundred thirty-one million, five hundred five thousand, six hundred fifty-five".