42285431025 has 48 divisors (see below), whose sum is σ = 77734955200. Its totient is φ = 22536247680.

The previous prime is 42285431009. The next prime is 42285431047. The reversal of 42285431025 is 52013458224.

42285431025 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 543 + 102 + 5 = 666.

42285431025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42285431025 - 2⁴ = 42285431009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 963357 + ... + 1006293.

Almost surely, 2^42285431025 is an apocalyptic number.

42285431025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42285431025 is a deficient number, since it is larger than the sum of its proper divisors (35449524175).

42285431025 is a wasteful number, since it uses less digits than its factorization.

42285431025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44415 (or 44404 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 42285431025 its reverse (52013458224), we get a palindrome (94298889249).

The spelling of 42285431025 in words is "forty-two billion, two hundred eighty-five million, four hundred thirty-one thousand, twenty-five".