445678258212 has 48 divisors (see below), whose sum is σ = 1260504168000. Its totient is φ = 135054017280.

The previous prime is 445678258199. The next prime is 445678258213. The reversal of 445678258212 is 212852876544.

445678258212 is a `hidden beast` number, since 4 + 4 + 56 + 7 + 8 + 2 + 582 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (445678258213) 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, 187573837 + ... + 187576212.

It is an arithmetic number, because the mean of its divisors is an integer number (26260503500).

Almost surely, 2^445678258212 is an apocalyptic number.

It is an amenable number.

445678258212 is an abundant number, since it is smaller than the sum of its proper divisors (814825909788).

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

445678258212 is a wasteful number, since it uses less digits than its factorization.

445678258212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375150073 (or 375150065 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 54.

The spelling of 445678258212 in words is "four hundred forty-five billion, six hundred seventy-eight million, two hundred fifty-eight thousand, two hundred twelve".