4430125640 has 32 divisors (see below), whose sum is σ = 9969886080. Its totient is φ = 1771676352.

The previous prime is 4430125639. The next prime is 4430125691. The reversal of 4430125640 is 465210344.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255899 + ... + 272661.

It is an arithmetic number, because the mean of its divisors is an integer number (311558940).

Almost surely, 2^4430125640 is an apocalyptic number.

4430125640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4430125640 is an abundant number, since it is smaller than the sum of its proper divisors (5539760440).

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

4430125640 is a wasteful number, since it uses less digits than its factorization.

4430125640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23381 (or 23377 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4430125640 is about 66559.1889974630. The cubic root of 4430125640 is about 1642.3738229043.

Adding to 4430125640 its reverse (465210344), we get a palindrome (4895335984).

The spelling of 4430125640 in words is "four billion, four hundred thirty million, one hundred twenty-five thousand, six hundred forty".