32120340399 has 96 divisors (see below), whose sum is σ = 56803299840. Its totient is φ = 17880476544.

The previous prime is 32120340353. The next prime is 32120340401. The reversal of 32120340399 is 99304302123.

32120340399 is a `hidden beast` number, since 3 + 21 + 203 + 40 + 399 = 666.

It is not a de Polignac number, because 32120340399 - 2¹¹ = 32120338351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120340299) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8014054 + ... + 8018060.

It is an arithmetic number, because the mean of its divisors is an integer number (591701040).

Almost surely, 2^32120340399 is an apocalyptic number.

32120340399 is a deficient number, since it is larger than the sum of its proper divisors (24682959441).

32120340399 is a wasteful number, since it uses less digits than its factorization.

32120340399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4186 (or 4173 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 32120340399 in words is "thirty-two billion, one hundred twenty million, three hundred forty thousand, three hundred ninety-nine".