420025321345 has 8 divisors (see below), whose sum is σ = 576034726464. Its totient is φ = 288017363184.

The previous prime is 420025321343. The next prime is 420025321357. The reversal of 420025321345 is 543123520024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420025321345 - 2¹ = 420025321343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420025321343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6000361699 + ... + 6000361768.

It is an arithmetic number, because the mean of its divisors is an integer number (72004340808).

Almost surely, 2^420025321345 is an apocalyptic number.

It is an amenable number.

420025321345 is a deficient number, since it is larger than the sum of its proper divisors (156009405119).

420025321345 is a wasteful number, since it uses less digits than its factorization.

420025321345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000723479.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 420025321345 its reverse (543123520024), we get a palindrome (963148841369).

The spelling of 420025321345 in words is "four hundred twenty billion, twenty-five million, three hundred twenty-one thousand, three hundred forty-five".