42026013225 has 72 divisors (see below), whose sum is σ = 91087027200. Its totient is φ = 18081768960.

The previous prime is 42026013223. The next prime is 42026013283. The reversal of 42026013225 is 52231062024.

It is a happy number.

42026013225 is a `hidden beast` number, since 4 + 2 + 0 + 2 + 601 + 32 + 25 = 666.

It is not a de Polignac number, because 42026013225 - 2¹ = 42026013223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42026013223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 758025 + ... + 811574.

It is an arithmetic number, because the mean of its divisors is an integer number (1265097600).

Almost surely, 2^42026013225 is an apocalyptic number.

42026013225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42026013225 is an abundant number, since it is smaller than the sum of its proper divisors (49061013975).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42026013225 is a wasteful number, since it uses less digits than its factorization.

42026013225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569639 (or 1569631 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 42026013225 its reverse (52231062024), we get a palindrome (94257075249).

The spelling of 42026013225 in words is "forty-two billion, twenty-six million, thirteen thousand, two hundred twenty-five".