442078601 has 4 divisors (see below), whose sum is σ = 442131972. Its totient is φ = 442025232.

The previous prime is 442078597. The next prime is 442078613. The reversal of 442078601 is 106870244.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 114468601 + 327610000 = 10699^2 + 18100^2 .

It is a cyclic number.

It is not a de Polignac number, because 442078601 - 2² = 442078597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442078621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11306 + ... + 31811.

It is an arithmetic number, because the mean of its divisors is an integer number (110532993).

Almost surely, 2^442078601 is an apocalyptic number.

It is an amenable number.

442078601 is a deficient number, since it is larger than the sum of its proper divisors (53371).

442078601 is a wasteful number, since it uses less digits than its factorization.

442078601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53370.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 442078601 is about 21025.6652926846. The cubic root of 442078601 is about 761.7863111903.

The spelling of 442078601 in words is "four hundred forty-two million, seventy-eight thousand, six hundred one".