430442320040 has 64 divisors (see below), whose sum is σ = 1013833152000. Its totient is φ = 164164695552.

The previous prime is 430442319961. The next prime is 430442320117. The reversal of 430442320040 is 40023244034.

It is a junction number, because it is equal to n+sod(n) for n = 430442319991 and 430442320009.

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, 459440 + ... + 1035359.

It is an arithmetic number, because the mean of its divisors is an integer number (15841143000).

Almost surely, 2^430442320040 is an apocalyptic number.

430442320040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430442320040 is an abundant number, since it is smaller than the sum of its proper divisors (583390831960).

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

430442320040 is a wasteful number, since it uses less digits than its factorization.

430442320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495146 (or 1495142 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 430442320040 its reverse (40023244034), we get a palindrome (470465564074).

The spelling of 430442320040 in words is "four hundred thirty billion, four hundred forty-two million, three hundred twenty thousand, forty".