42421344404 has 24 divisors (see below), whose sum is σ = 75420854208. Its totient is φ = 20873623680.

The previous prime is 42421344373. The next prime is 42421344431. The reversal of 42421344404 is 40444312424.

It is a super-2 number, since 2×42421344404² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18812 + ... + 291884.

It is an arithmetic number, because the mean of its divisors is an integer number (3142535592).

Almost surely, 2^42421344404 is an apocalyptic number.

It is an amenable number.

42421344404 is a deficient number, since it is larger than the sum of its proper divisors (32999509804).

42421344404 is a wasteful number, since it uses less digits than its factorization.

42421344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273695 (or 273693 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42421344404 its reverse (40444312424), we get a palindrome (82865656828).

The spelling of 42421344404 in words is "forty-two billion, four hundred twenty-one million, three hundred forty-four thousand, four hundred four".