420201375390719 has 16 divisors (see below), whose sum is σ = 455206793563200. Its totient is φ = 387874294018848.

The previous prime is 420201375390677. The next prime is 420201375390721. The reversal of 420201375390719 is 917093573102024.

It is a happy number.

It is not a de Polignac number, because 420201375390719 - 2⁴⁰ = 419101863762943 is a prime.

It is a super-2 number, since 2×420201375390719² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420201375390799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230332262 + ... + 232149420.

It is an arithmetic number, because the mean of its divisors is an integer number (28450424597700).

Almost surely, 2^{420201375390719} is an apocalyptic number.

420201375390719 is a deficient number, since it is larger than the sum of its proper divisors (35005418172481).

420201375390719 is a wasteful number, since it uses less digits than its factorization.

420201375390719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922451 (or 1922425 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 53.

The spelling of 420201375390719 in words is "four hundred twenty trillion, two hundred one billion, three hundred seventy-five million, three hundred ninety thousand, seven hundred nineteen".