442425401 has 16 divisors (see below), whose sum is σ = 505709568. Its totient is φ = 383130000.

The previous prime is 442425367. The next prime is 442425407. The reversal of 442425401 is 104524244.

It is not a de Polignac number, because 442425401 - 2⁶ = 442425337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (442425407) 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, 60020 + ... + 66986.

It is an arithmetic number, because the mean of its divisors is an integer number (31606848).

Almost surely, 2^442425401 is an apocalyptic number.

It is an amenable number.

442425401 is a deficient number, since it is larger than the sum of its proper divisors (63284167).

442425401 is a wasteful number, since it uses less digits than its factorization.

442425401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7252.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 442425401 is about 21033.9107395653. The cubic root of 442425401 is about 761.9854601194.

Adding to 442425401 its reverse (104524244), we get a palindrome (546949645).

The spelling of 442425401 in words is "four hundred forty-two million, four hundred twenty-five thousand, four hundred one".