420431133140 has 48 divisors (see below), whose sum is σ = 893663831424. Its totient is φ = 166135536000.

The previous prime is 420431133103. The next prime is 420431133151. The reversal of 420431133140 is 41331134024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162047 + ... + 931193.

It is an arithmetic number, because the mean of its divisors is an integer number (18617996488).

Almost surely, 2^420431133140 is an apocalyptic number.

It is an amenable number.

420431133140 is an abundant number, since it is smaller than the sum of its proper divisors (473232698284).

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

420431133140 is a wasteful number, since it uses less digits than its factorization.

420431133140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769488 (or 769486 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 420431133140 its reverse (41331134024), we get a palindrome (461762267164).

The spelling of 420431133140 in words is "four hundred twenty billion, four hundred thirty-one million, one hundred thirty-three thousand, one hundred forty".