193906840332 has 12 divisors (see below), whose sum is σ = 452449294136. Its totient is φ = 64635613440.

The previous prime is 193906840331. The next prime is 193906840333. The reversal of 193906840332 is 233048609391.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (193906840331) and next prime (193906840333).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (193906840331) 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, 8079451669 + ... + 8079451692.

Almost surely, 2^193906840332 is an apocalyptic number.

193906840332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

193906840332 is an abundant number, since it is smaller than the sum of its proper divisors (258542453804).

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

193906840332 is a wasteful number, since it uses less digits than its factorization.

193906840332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16158903368 (or 16158903366 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 48.

The spelling of 193906840332 in words is "one hundred ninety-three billion, nine hundred six million, eight hundred forty thousand, three hundred thirty-two".