420430311140 has 96 divisors (see below), whose sum is σ = 1028899355904. Its totient is φ = 141313835520.

The previous prime is 420430311137. The next prime is 420430311149. The reversal of 420430311140 is 41113034024.

It is not an unprimeable number, because it can be changed into a prime (420430311149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9453155 + ... + 9497525.

It is an arithmetic number, because the mean of its divisors is an integer number (10717701624).

Almost surely, 2^420430311140 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 420430311140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514449677952).

420430311140 is an abundant number, since it is smaller than the sum of its proper divisors (608469044764).

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

420430311140 is a wasteful number, since it uses less digits than its factorization.

420430311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45717 (or 45715 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 420430311140 its reverse (41113034024), we get a palindrome (461543345164).

The spelling of 420430311140 in words is "four hundred twenty billion, four hundred thirty million, three hundred eleven thousand, one hundred forty".