1471187944 has 16 divisors (see below), whose sum is σ = 2759670720. Its totient is φ = 735275760.

The previous prime is 1471187941. The next prime is 1471187989. The reversal of 1471187944 is 4497811741.

It is a junction number, because it is equal to n+sod(n) for n = 1471187894 and 1471187903.

It is not an unprimeable number, because it can be changed into a prime (1471187941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19522 + ... + 57649.

It is an arithmetic number, because the mean of its divisors is an integer number (172479420).

Almost surely, 2^1471187944 is an apocalyptic number.

It is an amenable number.

1471187944 is a deficient number, since it is larger than the sum of its proper divisors (1288482776).

1471187944 is a wasteful number, since it uses less digits than its factorization.

1471187944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79560 (or 79556 counting only the distinct ones).

The product of its digits is 225792, while the sum is 46.

The square root of 1471187944 is about 38356.0678902309. The cubic root of 1471187944 is about 1137.3375705597.

The spelling of 1471187944 in words is "one billion, four hundred seventy-one million, one hundred eighty-seven thousand, nine hundred forty-four".