27450143444 has 24 divisors (see below), whose sum is σ = 48360069408. Its totient is φ = 13633077600.

The previous prime is 27450143443. The next prime is 27450143549. The reversal of 27450143444 is 44434105472.

It is a super-2 number, since 2×27450143444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27450143398 and 27450143407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27450143443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1228379 + ... + 1250525.

It is an arithmetic number, because the mean of its divisors is an integer number (2015002892).

Almost surely, 2^27450143444 is an apocalyptic number.

It is an amenable number.

27450143444 is a deficient number, since it is larger than the sum of its proper divisors (20909925964).

27450143444 is a wasteful number, since it uses less digits than its factorization.

27450143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24215 (or 24213 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 38.

The spelling of 27450143444 in words is "twenty-seven billion, four hundred fifty million, one hundred forty-three thousand, four hundred forty-four".