430404140440 has 32 divisors (see below), whose sum is σ = 968454416160. Its totient is φ = 172153638400.

The previous prime is 430404140303. The next prime is 430404140447. The reversal of 430404140440 is 44041404034.

It is a junction number, because it is equal to n+sod(n) for n = 430404140399 and 430404140408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (430404140447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659925 + ... + 1138555.

It is an arithmetic number, because the mean of its divisors is an integer number (30264200505).

Almost surely, 2^430404140440 is an apocalyptic number.

430404140440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430404140440 is an abundant number, since it is smaller than the sum of its proper divisors (538050275720).

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

430404140440 is a wasteful number, since it uses less digits than its factorization.

430404140440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501123 (or 501119 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 430404140440 its reverse (44041404034), we get a palindrome (474445544474).

The spelling of 430404140440 in words is "four hundred thirty billion, four hundred four million, one hundred forty thousand, four hundred forty".