430025640 has 64 divisors (see below), whose sum is σ = 1407360960. Its totient is φ = 104248320.

The previous prime is 430025633. The next prime is 430025657. The reversal of 430025640 is 46520034.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 430025640.

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, 161569 + ... + 164208.

It is an arithmetic number, because the mean of its divisors is an integer number (21990015).

Almost surely, 2^430025640 is an apocalyptic number.

430025640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

430025640 is an abundant number, since it is smaller than the sum of its proper divisors (977335320).

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

430025640 is a wasteful number, since it uses less digits than its factorization.

430025640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325802 (or 325798 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 430025640 is about 20737.0595794100. The cubic root of 430025640 is about 754.7992331986.

Adding to 430025640 its reverse (46520034), we get a palindrome (476545674).

The spelling of 430025640 in words is "four hundred thirty million, twenty-five thousand, six hundred forty".