442253061 has 16 divisors (see below), whose sum is σ = 655513600. Its totient is φ = 294689664.

The previous prime is 442253027. The next prime is 442253069. The reversal of 442253061 is 160352244.

It is not a de Polignac number, because 442253061 - 2²² = 438058757 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442253069) 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, 105045 + ... + 109173.

It is an arithmetic number, because the mean of its divisors is an integer number (40969600).

Almost surely, 2^442253061 is an apocalyptic number.

It is an amenable number.

442253061 is a deficient number, since it is larger than the sum of its proper divisors (213260539).

442253061 is a wasteful number, since it uses less digits than its factorization.

442253061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105 (or 8099 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 442253061 is about 21029.8136225693. The cubic root of 442253061 is about 761.8865073702.

The spelling of 442253061 in words is "four hundred forty-two million, two hundred fifty-three thousand, sixty-one".