420645513152 has 28 divisors (see below), whose sum is σ = 834888277896. Its totient is φ = 210279962880.

The previous prime is 420645513151. The next prime is 420645513187. The reversal of 420645513152 is 251315546024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420645513151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350474 + ... + 981897.

Almost surely, 2^420645513152 is an apocalyptic number.

It is an amenable number.

420645513152 is a deficient number, since it is larger than the sum of its proper divisors (414242764744).

420645513152 is a wasteful number, since it uses less digits than its factorization.

420645513152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337316 (or 1337306 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 420645513152 in words is "four hundred twenty billion, six hundred forty-five million, five hundred thirteen thousand, one hundred fifty-two".