420534051332992 has 64 divisors (see below), whose sum is σ = 845579507850000. Its totient is φ = 208310680240128.

The previous prime is 420534051332971. The next prime is 420534051333083. The reversal of 420534051332992 is 299233150435024.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104748559 + ... + 108689137.

Almost surely, 2^{420534051332992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420534051332992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (422789753925000).

420534051332992 is an abundant number, since it is smaller than the sum of its proper divisors (425045456517008).

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

420534051332992 is a wasteful number, since it uses less digits than its factorization.

420534051332992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948351 (or 3948339 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 52.

The spelling of 420534051332992 in words is "four hundred twenty trillion, five hundred thirty-four billion, fifty-one million, three hundred thirty-two thousand, nine hundred ninety-two".