442277375474920 has 16 divisors (see below), whose sum is σ = 995124094818660. Its totient is φ = 176910950189952.

The previous prime is 442277375474863. The next prime is 442277375474927. The reversal of 442277375474920 is 29474573772244.

It can be written as a sum of positive squares in 2 ways, for example, as 401600557920676 + 40676817554244 = 20039974^2 + 6377838^2 .

It is not an unprimeable number, because it can be changed into a prime (442277375474927) 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, 5528467193397 + ... + 5528467193476.

Almost surely, 2^{442277375474920} is an apocalyptic number.

442277375474920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442277375474920 is an abundant number, since it is smaller than the sum of its proper divisors (552846719343740).

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

442277375474920 is a wasteful number, since it uses less digits than its factorization.

442277375474920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056934386884 (or 11056934386880 counting only the distinct ones).

The product of its (nonzero) digits is 663828480, while the sum is 67.

The spelling of 442277375474920 in words is "four hundred forty-two trillion, two hundred seventy-seven billion, three hundred seventy-five million, four hundred seventy-four thousand, nine hundred twenty".