420142005335225 has 24 divisors (see below), whose sum is σ = 521157555769728. Its totient is φ = 335996546860800.

The previous prime is 420142005335197. The next prime is 420142005335231. The reversal of 420142005335225 is 522533500241024.

It is not a de Polignac number, because 420142005335225 - 2⁴⁰ = 419042493707449 is a prime.

It is a Duffinian number.

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, 885407780 + ... + 885882170.

It is an arithmetic number, because the mean of its divisors is an integer number (21714898157072).

Almost surely, 2^{420142005335225} is an apocalyptic number.

It is an amenable number.

420142005335225 is a deficient number, since it is larger than the sum of its proper divisors (101015550434503).

420142005335225 is a wasteful number, since it uses less digits than its factorization.

420142005335225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486665 (or 486660 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 420142005335225 its reverse (522533500241024), we get a palindrome (942675505576249).

The spelling of 420142005335225 in words is "four hundred twenty trillion, one hundred forty-two billion, five million, three hundred thirty-five thousand, two hundred twenty-five".