445219434 has 24 divisors (see below), whose sum is σ = 1052337312. Its totient is φ = 134914920.

The previous prime is 445219433. The next prime is 445219459. The reversal of 445219434 is 434912544.

445219434 is a `hidden beast` number, since 4 + 4 + 5 + 219 + 434 = 666.

It is a super-2 number, since 2×445219434² = 396440688822560712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (445219433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124094 + ... + 1124489.

It is an arithmetic number, because the mean of its divisors is an integer number (43847388).

Almost surely, 2^445219434 is an apocalyptic number.

445219434 is an abundant number, since it is smaller than the sum of its proper divisors (607117878).

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

445219434 is a wasteful number, since it uses less digits than its factorization.

445219434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248602 (or 2248599 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 445219434 is about 21100.2235533181. The cubic root of 445219434 is about 763.5861415873.

The spelling of 445219434 in words is "four hundred forty-five million, two hundred nineteen thousand, four hundred thirty-four".