430420440 has 64 divisors (see below), whose sum is σ = 1307635200. Its totient is φ = 113323392.

The previous prime is 430420439. The next prime is 430420493. The reversal of 430420440 is 44024034.

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, 13222 + ... + 32181.

It is an arithmetic number, because the mean of its divisors is an integer number (20431800).

Almost surely, 2^430420440 is an apocalyptic number.

430420440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430420440 is an abundant number, since it is smaller than the sum of its proper divisors (877214760).

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

430420440 is a wasteful number, since it uses less digits than its factorization.

430420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45496 (or 45492 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 430420440 is about 20746.5765850658. The cubic root of 430420440 is about 755.0301524440.

Adding to 430420440 its reverse (44024034), we get a palindrome (474444474).

The spelling of 430420440 in words is "four hundred thirty million, four hundred twenty thousand, four hundred forty".