442491104 has 24 divisors (see below), whose sum is σ = 950350968. Its totient is φ = 201132160.

The previous prime is 442491083. The next prime is 442491131. The reversal of 442491104 is 401194244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 628187 + ... + 628890.

It is an arithmetic number, because the mean of its divisors is an integer number (39597957).

Almost surely, 2^442491104 is an apocalyptic number.

442491104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442491104 is an abundant number, since it is smaller than the sum of its proper divisors (507859864).

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

442491104 is a wasteful number, since it uses less digits than its factorization.

442491104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257098 (or 1257090 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 442491104 is about 21035.4725166800. The cubic root of 442491104 is about 762.0231781561.

The spelling of 442491104 in words is "four hundred forty-two million, four hundred ninety-one thousand, one hundred four".