442055454 has 16 divisors (see below), whose sum is σ = 936117648. Its totient is φ = 138684032.

The previous prime is 442055389. The next prime is 442055461. The reversal of 442055454 is 454550244.

It is a super-2 number, since 2×442055454² = 390826048822292232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166837 + ... + 2167040.

It is an arithmetic number, because the mean of its divisors is an integer number (58507353).

Almost surely, 2^442055454 is an apocalyptic number.

442055454 is an abundant number, since it is smaller than the sum of its proper divisors (494062194).

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

442055454 is a wasteful number, since it uses less digits than its factorization.

442055454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4333899.

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 442055454 is about 21025.1148391632. The cubic root of 442055454 is about 761.7730153831.

The spelling of 442055454 in words is "four hundred forty-two million, fifty-five thousand, four hundred fifty-four".