4001444312120 has 64 divisors (see below), whose sum is σ = 9035978444640. Its totient is φ = 1594768384000.

The previous prime is 4001444312119. The next prime is 4001444312137. The reversal of 4001444312120 is 212134441004.

It is a self number, because there is not a number n which added to its sum of digits gives 4001444312120.

It is a congruent number.

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, 13989659 + ... + 14272821.

Almost surely, 2^{4001444312120} is an apocalyptic number.

4001444312120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4001444312120 is an abundant number, since it is smaller than the sum of its proper divisors (5034534132520).

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

4001444312120 is a wasteful number, since it uses less digits than its factorization.

4001444312120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284456 (or 284452 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 4001444312120 its reverse (212134441004), we get a palindrome (4213578753124).

The spelling of 4001444312120 in words is "four trillion, one billion, four hundred forty-four million, three hundred twelve thousand, one hundred twenty".