42254045225 has 24 divisors (see below), whose sum is σ = 59902921920. Its totient is φ = 28963120320.

The previous prime is 42254045179. The next prime is 42254045257. The reversal of 42254045225 is 52254045224.

It is a happy number.

It is not a de Polignac number, because 42254045225 - 2²⁶ = 42186936361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 426446 + ... + 516104.

It is an arithmetic number, because the mean of its divisors is an integer number (2495955080).

Almost surely, 2^42254045225 is an apocalyptic number.

It is an amenable number.

42254045225 is a deficient number, since it is larger than the sum of its proper divisors (17648876695).

42254045225 is a wasteful number, since it uses less digits than its factorization.

42254045225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92369 (or 92364 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Subtracting 42254045225 from its reverse (52254045224), we obtain a palindrome (9999999999).

The spelling of 42254045225 in words is "forty-two billion, two hundred fifty-four million, forty-five thousand, two hundred twenty-five".