1244362425644 has 36 divisors (see below), whose sum is σ = 2370248001576. Its totient is φ = 571345302528.

The previous prime is 1244362425589. The next prime is 1244362425673. The reversal of 1244362425644 is 4465242634421.

It is a super-3 number, since 3×1244362425644³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4638374 + ... + 4899309.

It is an arithmetic number, because the mean of its divisors is an integer number (65840222266).

Almost surely, 2^{1244362425644} is an apocalyptic number.

It is an amenable number.

1244362425644 is a deficient number, since it is larger than the sum of its proper divisors (1125885575932).

1244362425644 is a wasteful number, since it uses less digits than its factorization.

1244362425644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9537906 (or 9537891 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 47.

The spelling of 1244362425644 in words is "one trillion, two hundred forty-four billion, three hundred sixty-two million, four hundred twenty-five thousand, six hundred forty-four".