1401423243444 has 180 divisors, whose sum is σ = 4486038332160. Its totient is φ = 379332525600.

The previous prime is 1401423243427. The next prime is 1401423243457. The reversal of 1401423243444 is 4443423241041.

1401423243444 is a `hidden beast` number, since 1 + 4 + 0 + 142 + 32 + 43 + 444 = 666.

It is a super-2 number, since 2×1401423243444² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1401423243399 and 1401423243408.

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 59 ways as a sum of consecutive naturals, for example, 2021332 + ... + 2624619.

Almost surely, 2^{1401423243444} is an apocalyptic number.

1401423243444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1401423243444 is an abundant number, since it is smaller than the sum of its proper divisors (3084615088716).

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

1401423243444 is a wasteful number, since it uses less digits than its factorization.

1401423243444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646000 (or 4645982 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

Adding to 1401423243444 its reverse (4443423241041), we get a palindrome (5844846484485).

The spelling of 1401423243444 in words is "one trillion, four hundred one billion, four hundred twenty-three million, two hundred forty-three thousand, four hundred forty-four".