442367063440 has 20 divisors (see below), whose sum is σ = 1028503422684. Its totient is φ = 176946825344.

The previous prime is 442367063419. The next prime is 442367063449. The reversal of 442367063440 is 44360763244.

It can be written as a sum of positive squares in 2 ways, for example, as 160486769664 + 281880293776 = 400608^2 + 530924^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (442367063449) 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, 2764794067 + ... + 2764794226.

Almost surely, 2^442367063440 is an apocalyptic number.

442367063440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442367063440 is an abundant number, since it is smaller than the sum of its proper divisors (586136359244).

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

442367063440 is a wasteful number, since it uses less digits than its factorization.

442367063440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5529588306 (or 5529588300 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 43.

The spelling of 442367063440 in words is "four hundred forty-two billion, three hundred sixty-seven million, sixty-three thousand, four hundred forty".