42033340025 has 12 divisors (see below), whose sum is σ = 52221016272. Its totient is φ = 33562365840.

The previous prime is 42033339917. The next prime is 42033340031. The reversal of 42033340025 is 52004333024.

It is not a de Polignac number, because 42033340025 - 2¹⁴ = 42033323641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42033339976 and 42033340003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1594319 + ... + 1620468.

It is an arithmetic number, because the mean of its divisors is an integer number (4351751356).

Almost surely, 2^42033340025 is an apocalyptic number.

It is an amenable number.

42033340025 is a deficient number, since it is larger than the sum of its proper divisors (10187676247).

42033340025 is a wasteful number, since it uses less digits than its factorization.

42033340025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3215320 (or 3215315 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 42033340025 its reverse (52004333024), we get a palindrome (94037673049).

The spelling of 42033340025 in words is "forty-two billion, thirty-three million, three hundred forty thousand, twenty-five".