19400182957832 has 8 divisors (see below), whose sum is σ = 36375343045950. Its totient is φ = 9700091478912.

The previous prime is 19400182957829. The next prime is 19400182957867. The reversal of 19400182957832 is 23875928100491.

It can be written as a sum of positive squares in only one way, i.e., 19382939591236 + 17243366596 = 4402606^2 + 131314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1212511434857 + ... + 1212511434872.

Almost surely, 2^{19400182957832} is an apocalyptic number.

It is an amenable number.

19400182957832 is a deficient number, since it is larger than the sum of its proper divisors (16975160088118).

19400182957832 is a wasteful number, since it uses less digits than its factorization.

19400182957832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425022869735 (or 2425022869731 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 59.

The spelling of 19400182957832 in words is "nineteen trillion, four hundred billion, one hundred eighty-two million, nine hundred fifty-seven thousand, eight hundred thirty-two".