42444001140 has 48 divisors (see below), whose sum is σ = 121741824960. Its totient is φ = 11042341120.

The previous prime is 42444001139. The next prime is 42444001147. The reversal of 42444001140 is 4110044424.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42444001140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42444001147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8624370 + ... + 8629289.

It is an arithmetic number, because the mean of its divisors is an integer number (2536288020).

Almost surely, 2^42444001140 is an apocalyptic number.

It is an amenable number.

42444001140 is an abundant number, since it is smaller than the sum of its proper divisors (79297823820).

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

42444001140 is a wasteful number, since it uses less digits than its factorization.

42444001140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17253712 (or 17253710 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 42444001140 its reverse (4110044424), we get a palindrome (46554045564).

The spelling of 42444001140 in words is "forty-two billion, four hundred forty-four million, one thousand, one hundred forty".