42003213444 has 48 divisors (see below), whose sum is σ = 108941427840. Its totient is φ = 13995387360.

The previous prime is 42003213367. The next prime is 42003213451. The reversal of 42003213444 is 44431230024.

It is a happy number.

42003213444 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 3 + 213 + 444 = 666.

It is a super-2 number, since 2×42003213444² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192634 + ... + 348014.

It is an arithmetic number, because the mean of its divisors is an integer number (2269613080).

Almost surely, 2^42003213444 is an apocalyptic number.

It is an amenable number.

42003213444 is an abundant number, since it is smaller than the sum of its proper divisors (66938214396).

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

42003213444 is a wasteful number, since it uses less digits than its factorization.

42003213444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157897 (or 157889 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 42003213444 its reverse (44431230024), we get a palindrome (86434443468).

The spelling of 42003213444 in words is "forty-two billion, three million, two hundred thirteen thousand, four hundred forty-four".