1401443442102 has 32 divisors (see below), whose sum is σ = 3057742157184. Its totient is φ = 424673251200.

The previous prime is 1401443442073. The next prime is 1401443442103. The reversal of 1401443442102 is 2012443441041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1401443442102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401443442103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5699277 + ... + 5940087.

It is an arithmetic number, because the mean of its divisors is an integer number (95554442412).

Almost surely, 2^{1401443442102} is an apocalyptic number.

1401443442102 is an abundant number, since it is smaller than the sum of its proper divisors (1656298715082).

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

1401443442102 is a wasteful number, since it uses less digits than its factorization.

1401443442102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329004.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1401443442102 its reverse (2012443441041), we get a palindrome (3413886883143).

The spelling of 1401443442102 in words is "one trillion, four hundred one billion, four hundred forty-three million, four hundred forty-two thousand, one hundred two".