4139681557244 has 24 divisors (see below), whose sum is σ = 7248879621648. Its totient is φ = 2068573289600.

The previous prime is 4139681557217. The next prime is 4139681557373. The reversal of 4139681557244 is 4427551869314.

It is a super-2 number, since 2×4139681557244² (a number of 26 digits) contains 22 as substring.

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, 156834512 + ... + 156860904.

It is an arithmetic number, because the mean of its divisors is an integer number (302036650902).

Almost surely, 2^{4139681557244} is an apocalyptic number.

It is an amenable number.

4139681557244 is a deficient number, since it is larger than the sum of its proper divisors (3109198064404).

4139681557244 is a wasteful number, since it uses less digits than its factorization.

4139681557244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48925 (or 48923 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 59.

The spelling of 4139681557244 in words is "four trillion, one hundred thirty-nine billion, six hundred eighty-one million, five hundred fifty-seven thousand, two hundred forty-four".