445657672299 has 8 divisors (see below), whose sum is σ = 679097405440. Its totient is φ = 254661527016.

The previous prime is 445657672279. The next prime is 445657672367. The reversal of 445657672299 is 992276756544.

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

It is not a de Polignac number, because 445657672299 - 2⁹ = 445657671787 is a prime.

It is a super-2 number, since 2×445657672299² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445657672279) 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, 10610896939 + ... + 10610896980.

It is an arithmetic number, because the mean of its divisors is an integer number (84887175680).

Almost surely, 2^445657672299 is an apocalyptic number.

445657672299 is a deficient number, since it is larger than the sum of its proper divisors (233439733141).

445657672299 is a wasteful number, since it uses less digits than its factorization.

445657672299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21221793929.

The product of its digits is 228614400, while the sum is 66.

The spelling of 445657672299 in words is "four hundred forty-five billion, six hundred fifty-seven million, six hundred seventy-two thousand, two hundred ninety-nine".