40320205101 has 48 divisors (see below), whose sum is σ = 65668581888. Its totient is φ = 23624265600.

The previous prime is 40320205069. The next prime is 40320205139. The reversal of 40320205101 is 10150202304.

40320205101 is a `hidden beast` number, since 40 + 320 + 205 + 101 = 666.

It is not a de Polignac number, because 40320205101 - 2⁵ = 40320205069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40320205171) 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, 540036 + ... + 610146.

It is an arithmetic number, because the mean of its divisors is an integer number (1368095456).

Almost surely, 2^40320205101 is an apocalyptic number.

It is an amenable number.

40320205101 is a deficient number, since it is larger than the sum of its proper divisors (25348376787).

40320205101 is a wasteful number, since it uses less digits than its factorization.

40320205101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70322 (or 70319 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 40320205101 its reverse (10150202304), we get a palindrome (50470407405).

The spelling of 40320205101 in words is "forty billion, three hundred twenty million, two hundred five thousand, one hundred one".