430140321040 has 80 divisors (see below), whose sum is σ = 1024602296256. Its totient is φ = 167846515200.

The previous prime is 430140321019. The next prime is 430140321043. The reversal of 430140321040 is 40123041034.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (430140321043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2712750 + ... + 2866930.

Almost surely, 2^430140321040 is an apocalyptic number.

430140321040 is a gapful number since it is divisible by the number (40) 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 430140321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512301148128).

430140321040 is an abundant number, since it is smaller than the sum of its proper divisors (594461975216).

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

430140321040 is a wasteful number, since it uses less digits than its factorization.

430140321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155048 (or 155042 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 430140321040 its reverse (40123041034), we get a palindrome (470263362074).

The spelling of 430140321040 in words is "four hundred thirty billion, one hundred forty million, three hundred twenty-one thousand, forty".