19432936026 has 96 divisors (see below), whose sum is σ = 50296117248. Its totient is φ = 5301948960.

The previous prime is 19432936001. The next prime is 19432936031. The reversal of 19432936026 is 62063923491.

19432936026 is a `hidden beast` number, since 1 + 9 + 4 + 32 + 9 + 3 + 602 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1823325 + ... + 1833951.

It is an arithmetic number, because the mean of its divisors is an integer number (523917888).

Almost surely, 2^19432936026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19432936026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25148058624).

19432936026 is an abundant number, since it is smaller than the sum of its proper divisors (30863181222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19432936026 is a wasteful number, since it uses less digits than its factorization.

19432936026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11296 (or 11293 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The spelling of 19432936026 in words is "nineteen billion, four hundred thirty-two million, nine hundred thirty-six thousand, twenty-six".