420897868952 has 16 divisors (see below), whose sum is σ = 860927459400. Its totient is φ = 191317213120.

The previous prime is 420897868939. The next prime is 420897868957. The reversal of 420897868952 is 259868798024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420897868957) 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, 2391465077 + ... + 2391465252.

Almost surely, 2^420897868952 is an apocalyptic number.

It is an amenable number.

420897868952 is an abundant number, since it is smaller than the sum of its proper divisors (440029590448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420897868952 is a wasteful number, since it uses less digits than its factorization.

420897868952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782930346 (or 4782930342 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 420897868952 in words is "four hundred twenty billion, eight hundred ninety-seven million, eight hundred sixty-eight thousand, nine hundred fifty-two".