32405978998312 has 8 divisors (see below), whose sum is σ = 60761210621850. Its totient is φ = 16202989499152.

The previous prime is 32405978998241. The next prime is 32405978998313. The reversal of 32405978998312 is 21389987950423.

It can be written as a sum of positive squares in only one way, i.e., 29242938090276 + 3163040908036 = 5407674^2 + 1778494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (32405978998313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025373687387 + ... + 2025373687402.

Almost surely, 2^{32405978998312} is an apocalyptic number.

It is an amenable number.

32405978998312 is a deficient number, since it is larger than the sum of its proper divisors (28355231623538).

32405978998312 is a wasteful number, since it uses less digits than its factorization.

32405978998312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050747374795 (or 4050747374791 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 32405978998312 in words is "thirty-two trillion, four hundred five billion, nine hundred seventy-eight million, nine hundred ninety-eight thousand, three hundred twelve".