19621926000432 has 320 divisors, whose sum is σ = 66188153687040. Its totient is φ = 5448122394624.

The previous prime is 19621926000403. The next prime is 19621926000437. The reversal of 19621926000432 is 23400062912691.

19621926000432 is a `hidden beast` number, since 1 + 9 + 6 + 2 + 1 + 9 + 2 + 600 + 0 + 4 + 32 = 666.

It is not an unprimeable number, because it can be changed into a prime (19621926000437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92425348 + ... + 92637404.

It is an arithmetic number, because the mean of its divisors is an integer number (206837980272).

Almost surely, 2^{19621926000432} is an apocalyptic number.

19621926000432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19621926000432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33094076843520).

19621926000432 is an abundant number, since it is smaller than the sum of its proper divisors (46566227686608).

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

19621926000432 is a wasteful number, since it uses less digits than its factorization.

19621926000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212945 (or 212933 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

It can be divided in two parts, 1962192 and 6000432, that added together give a 5-th power (7962624 = 24⁵).

The spelling of 19621926000432 in words is "nineteen trillion, six hundred twenty-one billion, nine hundred twenty-six million, four hundred thirty-two", and thus it is an aban number.