40320211140 has 72 divisors (see below), whose sum is σ = 133423250688. Its totient is φ = 9774596160.

The previous prime is 40320211109. The next prime is 40320211171. The reversal of 40320211140 is 4111202304.

It is an interprime number because it is at equal distance from previous prime (40320211109) and next prime (40320211171).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10179892 + ... + 10183851.

It is an arithmetic number, because the mean of its divisors is an integer number (1853100704).

Almost surely, 2^40320211140 is an apocalyptic number.

It is an amenable number.

40320211140 is an abundant number, since it is smaller than the sum of its proper divisors (93103039548).

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

40320211140 is a wasteful number, since it uses less digits than its factorization.

40320211140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20363769 (or 20363764 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 40320211140 its reverse (4111202304), we get a palindrome (44431413444).

The spelling of 40320211140 in words is "forty billion, three hundred twenty million, two hundred eleven thousand, one hundred forty".