4450436140 has 48 divisors (see below), whose sum is σ = 9525456864. Its totient is φ = 1746201600.

The previous prime is 4450436119. The next prime is 4450436147. The reversal of 4450436140 is 416340544.

It is not an unprimeable number, because it can be changed into a prime (4450436147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316050 + ... + 329830.

It is an arithmetic number, because the mean of its divisors is an integer number (198447018).

Almost surely, 2^4450436140 is an apocalyptic number.

It is an amenable number.

4450436140 is an abundant number, since it is smaller than the sum of its proper divisors (5075020724).

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

4450436140 is a wasteful number, since it uses less digits than its factorization.

4450436140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098 (or 14096 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 4450436140 is about 66711.5892480459. The cubic root of 4450436140 is about 1644.8798907140.

Adding to 4450436140 its reverse (416340544), we get a palindrome (4866776684).

The spelling of 4450436140 in words is "four billion, four hundred fifty million, four hundred thirty-six thousand, one hundred forty".