42830120804525 has 24 divisors (see below), whose sum is σ = 53638790038344. Its totient is φ = 33922567904000.

The previous prime is 42830120804521. The next prime is 42830120804533. The reversal of 42830120804525 is 52540802103824.

It can be written as a sum of positive squares in 12 ways, for example, as 9965973413449 + 32864147391076 = 3156893^2 + 5732726^2 .

It is not a de Polignac number, because 42830120804525 - 2² = 42830120804521 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42830120804521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37506899 + ... + 38631951.

It is an arithmetic number, because the mean of its divisors is an integer number (2234949584931).

Almost surely, 2^{42830120804525} is an apocalyptic number.

It is an amenable number.

42830120804525 is a deficient number, since it is larger than the sum of its proper divisors (10808669233819).

42830120804525 is a wasteful number, since it uses less digits than its factorization.

42830120804525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140241 (or 1140236 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 42830120804525 in words is "forty-two trillion, eight hundred thirty billion, one hundred twenty million, eight hundred four thousand, five hundred twenty-five".