4020104121144 has 32 divisors (see below), whose sum is σ = 10054094973840. Its totient is φ = 1339523417600.

The previous prime is 4020104121127. The next prime is 4020104121157. The reversal of 4020104121144 is 4411214010204.

It is a super-2 number, since 2×4020104121144² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 31891377 + ... + 32017184.

Almost surely, 2^{4020104121144} is an apocalyptic number.

It is an amenable number.

4020104121144 is an abundant number, since it is smaller than the sum of its proper divisors (6033990852696).

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

4020104121144 is a wasteful number, since it uses less digits than its factorization.

4020104121144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63911191 (or 63911187 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 4020104121144 its reverse (4411214010204), we get a palindrome (8431318131348).

The spelling of 4020104121144 in words is "four trillion, twenty billion, one hundred four million, one hundred twenty-one thousand, one hundred forty-four".