19940614206552 has 192 divisors, whose sum is σ = 59745901793760. Its totient is φ = 5968359936000.

The previous prime is 19940614206509. The next prime is 19940614206599. The reversal of 19940614206552 is 25560241604991.

It is a happy number.

19940614206552 is a `hidden beast` number, since 1 + 9 + 9 + 4 + 0 + 61 + 4 + 20 + 6 + 552 = 666.

It is a congruent 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, 154082352 + ... + 154211712.

Almost surely, 2^{19940614206552} is an apocalyptic number.

19940614206552 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 19940614206552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29872950896880).

19940614206552 is an abundant number, since it is smaller than the sum of its proper divisors (39805287587208).

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

19940614206552 is a wasteful number, since it uses less digits than its factorization.

19940614206552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133874 (or 133867 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 19940614206552 in words is "nineteen trillion, nine hundred forty billion, six hundred fourteen million, two hundred six thousand, five hundred fifty-two".