42002920025 has 48 divisors (see below), whose sum is σ = 58079550528. Its totient is φ = 29873376000.

The previous prime is 42002920007. The next prime is 42002920031. The reversal of 42002920025 is 52002920024.

42002920025 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 42002920025 - 2¹⁶ = 42002854489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42002919976 and 42002920003.

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, 4615730 + ... + 4624820.

It is an arithmetic number, because the mean of its divisors is an integer number (1209990636).

Almost surely, 2^42002920025 is an apocalyptic number.

It is an amenable number.

42002920025 is a deficient number, since it is larger than the sum of its proper divisors (16076630503).

42002920025 is a wasteful number, since it uses less digits than its factorization.

42002920025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9482 (or 9477 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

Subtracting 42002920025 from its reverse (52002920024), we obtain a palindrome (9999999999).

The spelling of 42002920025 in words is "forty-two billion, two million, nine hundred twenty thousand, twenty-five".