4445205140 has 24 divisors (see below), whose sum is σ = 9493152480. Its totient is φ = 1747944608.

The previous prime is 4445205139. The next prime is 4445205179. The reversal of 4445205140 is 415025444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1882382 + ... + 1884741.

It is an arithmetic number, because the mean of its divisors is an integer number (395548020).

Almost surely, 2^4445205140 is an apocalyptic number.

It is an amenable number.

4445205140 is an abundant number, since it is smaller than the sum of its proper divisors (5047947340).

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

4445205140 is a wasteful number, since it uses less digits than its factorization.

4445205140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767191 (or 3767189 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 4445205140 is about 66672.3716392330. The cubic root of 4445205140 is about 1644.2351793641.

The spelling of 4445205140 in words is "four billion, four hundred forty-five million, two hundred five thousand, one hundred forty".