42504434325 has 36 divisors (see below), whose sum is σ = 77173073380. Its totient is φ = 22358488320.

The previous prime is 42504434303. The next prime is 42504434339. The reversal of 42504434325 is 52343440524.

42504434325 is a `hidden beast` number, since 4 + 250 + 44 + 343 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 669049956 + 41835384369 = 25866^2 + 204537^2 .

It is not a de Polignac number, because 42504434325 - 2⁵ = 42504434293 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42504434325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1277470 + ... + 1310319.

Almost surely, 2^42504434325 is an apocalyptic number.

42504434325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42504434325 is a deficient number, since it is larger than the sum of its proper divisors (34668639055).

42504434325 is a wasteful number, since it uses less digits than its factorization.

42504434325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2587878 (or 2587870 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 42504434325 its reverse (52343440524), we get a palindrome (94847874849).

The spelling of 42504434325 in words is "forty-two billion, five hundred four million, four hundred thirty-four thousand, three hundred twenty-five".