4380544645 has 8 divisors (see below), whose sum is σ = 5257088640. Its totient is φ = 3504145680.

The previous prime is 4380544543. The next prime is 4380544657. The reversal of 4380544645 is 5464450834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4380544645 is a prime.

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, 48000 + ... + 105190.

It is an arithmetic number, because the mean of its divisors is an integer number (657136080).

Almost surely, 2^4380544645 is an apocalyptic number.

It is an amenable number.

4380544645 is a deficient number, since it is larger than the sum of its proper divisors (876543995).

4380544645 is a wasteful number, since it uses less digits than its factorization.

4380544645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72515.

The product of its (nonzero) digits is 921600, while the sum is 43.

The square root of 4380544645 is about 66185.6830817663. The cubic root of 4380544645 is about 1636.2237929965.

The spelling of 4380544645 in words is "four billion, three hundred eighty million, five hundred forty-four thousand, six hundred forty-five".