40206927321 has 48 divisors (see below), whose sum is σ = 64302526080. Its totient is φ = 24004512000.

The previous prime is 40206927263. The next prime is 40206927323. The reversal of 40206927321 is 12372960204.

40206927321 is a `hidden beast` number, since 40 + 206 + 92 + 7 + 321 = 666.

It is not a de Polignac number, because 40206927321 - 2⁷ = 40206927193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40206927323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15947541 + ... + 15950061.

It is an arithmetic number, because the mean of its divisors is an integer number (1339635960).

Almost surely, 2^40206927321 is an apocalyptic number.

It is an amenable number.

40206927321 is a deficient number, since it is larger than the sum of its proper divisors (24095598759).

40206927321 is a wasteful number, since it uses less digits than its factorization.

40206927321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4878 (or 4875 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 40206927321 in words is "forty billion, two hundred six million, nine hundred twenty-seven thousand, three hundred twenty-one".