1342446431644 has 24 divisors (see below), whose sum is σ = 2359720686960. Its totient is φ = 668241393024.

The previous prime is 1342446431639. The next prime is 1342446431713. The reversal of 1342446431644 is 4461346442431.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1342446431594 and 1342446431603.

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, 6259167 + ... + 6470089.

It is an arithmetic number, because the mean of its divisors is an integer number (98321695290).

Almost surely, 2^{1342446431644} is an apocalyptic number.

It is an amenable number.

1342446431644 is a deficient number, since it is larger than the sum of its proper divisors (1017274255316).

1342446431644 is a wasteful number, since it uses less digits than its factorization.

1342446431644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217989 (or 217987 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 46.

The spelling of 1342446431644 in words is "one trillion, three hundred forty-two billion, four hundred forty-six million, four hundred thirty-one thousand, six hundred forty-four".