442630444377 has 32 divisors (see below), whose sum is σ = 659606403456. Its totient is φ = 261687283200.

The previous prime is 442630444369. The next prime is 442630444379. The reversal of 442630444377 is 773444036244.

It is a happy number.

It is not a de Polignac number, because 442630444377 - 2³ = 442630444369 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (442630444379) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17377383 + ... + 17402835.

It is an arithmetic number, because the mean of its divisors is an integer number (20612700108).

Almost surely, 2^442630444377 is an apocalyptic number.

It is an amenable number.

442630444377 is a deficient number, since it is larger than the sum of its proper divisors (216975959079).

442630444377 is a wasteful number, since it uses less digits than its factorization.

442630444377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38361.

The product of its (nonzero) digits is 5419008, while the sum is 48.

The spelling of 442630444377 in words is "four hundred forty-two billion, six hundred thirty million, four hundred forty-four thousand, three hundred seventy-seven".