445557379 has 8 divisors (see below), whose sum is σ = 455786352. Its totient is φ = 435396000.

The previous prime is 445557349. The next prime is 445557397. The reversal of 445557379 is 973755544.

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

It is a cyclic number.

It is not a de Polignac number, because 445557379 - 2⁷ = 445557251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445557319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3444 + ... + 30049.

It is an arithmetic number, because the mean of its divisors is an integer number (56973294).

Almost surely, 2^445557379 is an apocalyptic number.

445557379 is a deficient number, since it is larger than the sum of its proper divisors (10228973).

445557379 is a wasteful number, since it uses less digits than its factorization.

445557379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33797.

The product of its digits is 2646000, while the sum is 49.

The square root of 445557379 is about 21108.2301247641. The cubic root of 445557379 is about 763.7792934246.

The spelling of 445557379 in words is "four hundred forty-five million, five hundred fifty-seven thousand, three hundred seventy-nine".