420934451112 has 128 divisors (see below), whose sum is σ = 1339345920000. Its totient is φ = 119992840128.

The previous prime is 420934451101. The next prime is 420934451129. The reversal of 420934451112 is 211154439024.

420934451112 is a `hidden beast` number, since 4 + 2 + 0 + 93 + 4 + 451 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346689 + ... + 980847.

It is an arithmetic number, because the mean of its divisors is an integer number (10463640000).

Almost surely, 2^420934451112 is an apocalyptic number.

420934451112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420934451112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (669672960000).

420934451112 is an abundant number, since it is smaller than the sum of its proper divisors (918411468888).

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

420934451112 is a wasteful number, since it uses less digits than its factorization.

420934451112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634620 (or 634610 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 420934451112 in words is "four hundred twenty billion, nine hundred thirty-four million, four hundred fifty-one thousand, one hundred twelve".