19580278072 has 16 divisors (see below), whose sum is σ = 37566813240. Its totient is φ = 9562461216.

The previous prime is 19580278057. The next prime is 19580278073. The reversal of 19580278072 is 27087208591.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19580278073) 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, 28459363 + ... + 28460050.

Almost surely, 2^19580278072 is an apocalyptic number.

It is an amenable number.

19580278072 is a deficient number, since it is larger than the sum of its proper divisors (17986535168).

19580278072 is a wasteful number, since it uses less digits than its factorization.

19580278072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56919462 (or 56919458 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 49.

The spelling of 19580278072 in words is "nineteen billion, five hundred eighty million, two hundred seventy-eight thousand, seventy-two".