424735185872 has 20 divisors (see below), whose sum is σ = 825255664260. Its totient is φ = 211765982208.

The previous prime is 424735185811. The next prime is 424735185893. The reversal of 424735185872 is 278581537424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 336488165776 + 88247020096 = 580076^2 + 297064^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37594847 + ... + 37606142.

It is an arithmetic number, because the mean of its divisors is an integer number (41262783213).

Almost surely, 2^424735185872 is an apocalyptic number.

It is an amenable number.

424735185872 is a deficient number, since it is larger than the sum of its proper divisors (400520478388).

424735185872 is a wasteful number, since it uses less digits than its factorization.

424735185872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75201350 (or 75201344 counting only the distinct ones).

The product of its digits is 15052800, while the sum is 56.

The spelling of 424735185872 in words is "four hundred twenty-four billion, seven hundred thirty-five million, one hundred eighty-five thousand, eight hundred seventy-two".