420112340 has 24 divisors (see below), whose sum is σ = 882786912. Its totient is φ = 167940000.

The previous prime is 420112337. The next prime is 420112369. The reversal of 420112340 is 43211024.

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, 31715 + ... + 42965.

It is an arithmetic number, because the mean of its divisors is an integer number (36782788).

Almost surely, 2^420112340 is an apocalyptic number.

It is an amenable number.

420112340 is an abundant number, since it is smaller than the sum of its proper divisors (462674572).

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

420112340 is a wasteful number, since it uses less digits than its factorization.

420112340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13127 (or 13125 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 420112340 is about 20496.6421640229. The cubic root of 420112340 is about 748.9540026049.

Adding to 420112340 its reverse (43211024), we get a palindrome (463323364).

The spelling of 420112340 in words is "four hundred twenty million, one hundred twelve thousand, three hundred forty".