442453242906 has 12 divisors (see below), whose sum is σ = 958648693002. Its totient is φ = 147484414296.

The previous prime is 442453242859. The next prime is 442453243021. The reversal of 442453242906 is 609242354244.

442453242906 is a `hidden beast` number, since 4 + 4 + 24 + 532 + 4 + 2 + 90 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 265182771681 + 177270471225 = 514959^2 + 421035^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12290367841 + ... + 12290367876.

Almost surely, 2^442453242906 is an apocalyptic number.

442453242906 is an abundant number, since it is smaller than the sum of its proper divisors (516195450096).

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

442453242906 is a wasteful number, since it uses less digits than its factorization.

442453242906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24580735725 (or 24580735722 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 442453242906 in words is "four hundred forty-two billion, four hundred fifty-three million, two hundred forty-two thousand, nine hundred six".