4455129940 has 12 divisors (see below), whose sum is σ = 9355772916. Its totient is φ = 1782051968.

The previous prime is 4455129907. The next prime is 4455129941. The reversal of 4455129940 is 499215544.

It can be written as a sum of positive squares in 2 ways, for example, as 1449020356 + 3006109584 = 38066^2 + 54828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455129941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111378229 + ... + 111378268.

It is an arithmetic number, because the mean of its divisors is an integer number (779647743).

Almost surely, 2^4455129940 is an apocalyptic number.

It is an amenable number.

4455129940 is an abundant number, since it is smaller than the sum of its proper divisors (4900642976).

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

4455129940 is a wasteful number, since it uses less digits than its factorization.

4455129940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222756506 (or 222756504 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 4455129940 is about 66746.7597715425. The cubic root of 4455129940 is about 1645.4579632345.

The spelling of 4455129940 in words is "four billion, four hundred fifty-five million, one hundred twenty-nine thousand, nine hundred forty".