42144020444 has 6 divisors (see below), whose sum is σ = 73752035784. Its totient is φ = 21072010220.

The previous prime is 42144020437. The next prime is 42144020467. The reversal of 42144020444 is 44402044124.

It is a super-2 number, since 2×42144020444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5268002552 + ... + 5268002559.

It is an arithmetic number, because the mean of its divisors is an integer number (12292005964).

Almost surely, 2^42144020444 is an apocalyptic number.

It is an amenable number.

42144020444 is a deficient number, since it is larger than the sum of its proper divisors (31608015340).

42144020444 is a wasteful number, since it uses less digits than its factorization.

42144020444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10536005115 (or 10536005113 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

Adding to 42144020444 its reverse (44402044124), we get a palindrome (86546064568).

The spelling of 42144020444 in words is "forty-two billion, one hundred forty-four million, twenty thousand, four hundred forty-four".