19408407382 has 32 divisors (see below), whose sum is σ = 35841657600. Its totient is φ = 7675747488.

The previous prime is 19408407247. The next prime is 19408407401. The reversal of 19408407382 is 28370480491.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673669 + ... + 701887.

It is an arithmetic number, because the mean of its divisors is an integer number (1120051800).

Almost surely, 2^19408407382 is an apocalyptic number.

19408407382 is a deficient number, since it is larger than the sum of its proper divisors (16433250218).

19408407382 is a wasteful number, since it uses less digits than its factorization.

19408407382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32020.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 19408407382 in words is "nineteen billion, four hundred eight million, four hundred seven thousand, three hundred eighty-two".