442372602144 has 48 divisors (see below), whose sum is σ = 1266794272800. Its totient is φ = 134052303360.

The previous prime is 442372602103. The next prime is 442372602149. The reversal of 442372602144 is 441206273244.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (442372602149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209455669 + ... + 209457780.

It is an arithmetic number, because the mean of its divisors is an integer number (26391547350).

Almost surely, 2^442372602144 is an apocalyptic number.

442372602144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442372602144 is an abundant number, since it is smaller than the sum of its proper divisors (824421670656).

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

442372602144 is a wasteful number, since it uses less digits than its factorization.

442372602144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418913473 (or 418913465 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 39.

Adding to 442372602144 its reverse (441206273244), we get a palindrome (883578875388).

The spelling of 442372602144 in words is "four hundred forty-two billion, three hundred seventy-two million, six hundred two thousand, one hundred forty-four".