1401242420044 has 12 divisors (see below), whose sum is σ = 2462434380000. Its totient is φ = 697689740048.

The previous prime is 1401242420041. The next prime is 1401242420069. The reversal of 1401242420044 is 4400242421041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1401242419994 and 1401242420021.

It is not an unprimeable number, because it can be changed into a prime (1401242420041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732866419 + ... + 732868330.

It is an arithmetic number, because the mean of its divisors is an integer number (205202865000).

Almost surely, 2^{1401242420044} is an apocalyptic number.

It is an amenable number.

1401242420044 is a deficient number, since it is larger than the sum of its proper divisors (1061191959956).

1401242420044 is a wasteful number, since it uses less digits than its factorization.

1401242420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465734992 (or 1465734990 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 1401242420044 its reverse (4400242421041), we get a palindrome (5801484841085).

The spelling of 1401242420044 in words is "one trillion, four hundred one billion, two hundred forty-two million, four hundred twenty thousand, forty-four".