4003342421144 has 64 divisors (see below), whose sum is σ = 8278428644640. Its totient is φ = 1799775682560.

The previous prime is 4003342421021. The next prime is 4003342421179. The reversal of 4003342421144 is 4411242433004.

It is a super-2 number, since 2×4003342421144² (a number of 26 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 4003342421144.

It is a congruent number.

It is an unprimeable number.

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, 13105412 + ... + 13407404.

Almost surely, 2^{4003342421144} is an apocalyptic number.

4003342421144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4003342421144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4139214322320).

4003342421144 is an abundant number, since it is smaller than the sum of its proper divisors (4275086223496).

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

4003342421144 is a wasteful number, since it uses less digits than its factorization.

4003342421144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303660 (or 303656 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4003342421144 its reverse (4411242433004), we get a palindrome (8414584854148).

The spelling of 4003342421144 in words is "four trillion, three billion, three hundred forty-two million, four hundred twenty-one thousand, one hundred forty-four".