42056465025 has 24 divisors (see below), whose sum is σ = 70183213344. Its totient is φ = 22220483200.

The previous prime is 42056465023. The next prime is 42056465027. The reversal of 42056465025 is 52056465024.

It is an interprime number because it is at equal distance from previous prime (42056465023) and next prime (42056465027).

It is not a de Polignac number, because 42056465025 - 2¹ = 42056465023 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42056465023) 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, 2612316 + ... + 2628365.

It is an arithmetic number, because the mean of its divisors is an integer number (2924300556).

Almost surely, 2^42056465025 is an apocalyptic number.

It is an amenable number.

42056465025 is a deficient number, since it is larger than the sum of its proper divisors (28126748319).

42056465025 is a wasteful number, since it uses less digits than its factorization.

42056465025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240801 (or 5240796 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Subtracting 42056465025 from its reverse (52056465024), we obtain a palindrome (9999999999).

The spelling of 42056465025 in words is "forty-two billion, fifty-six million, four hundred sixty-five thousand, twenty-five".