420444060444025 has 24 divisors (see below), whose sum is σ = 525245676391040. Its totient is φ = 333850258160640.

The previous prime is 420444060444019. The next prime is 420444060444049. The reversal of 420444060444025 is 520444060444024.

It is not a de Polignac number, because 420444060444025 - 2³ = 420444060444017 is a prime.

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, 97128597 + ... + 101364946.

Almost surely, 2^{420444060444025} is an apocalyptic number.

It is an amenable number.

420444060444025 is a deficient number, since it is larger than the sum of its proper divisors (104801615947015).

420444060444025 is a wasteful number, since it uses less digits than its factorization.

420444060444025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198494185 (or 198494180 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 43.

Subtracting 420444060444025 from its reverse (520444060444024), we obtain a palindrome (99999999999999).

The spelling of 420444060444025 in words is "four hundred twenty trillion, four hundred forty-four billion, sixty million, four hundred forty-four thousand, twenty-five".