42204440444 has 24 divisors (see below), whose sum is σ = 75163450320. Its totient is φ = 20732190336.

The previous prime is 42204440413. The next prime is 42204440471. The reversal of 42204440444 is 44404440224.

It is a super-2 number, since 2×42204440444² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42204440444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321662 + ... + 433445.

It is an arithmetic number, because the mean of its divisors is an integer number (3131810430).

Almost surely, 2^42204440444 is an apocalyptic number.

It is an amenable number.

42204440444 is a deficient number, since it is larger than the sum of its proper divisors (32959009876).

42204440444 is a wasteful number, since it uses less digits than its factorization.

42204440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 755357 (or 755355 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 42204440444 its reverse (44404440224), we get a palindrome (86608880668).

The spelling of 42204440444 in words is "forty-two billion, two hundred four million, four hundred forty thousand, four hundred forty-four".