40023111240 has 96 divisors (see below), whose sum is σ = 148657279680. Its totient is φ = 9148139136.

The previous prime is 40023111239. The next prime is 40023111253. The reversal of 40023111240 is 4211132004.

40023111240 is a `hidden beast` number, since 400 + 23 + 1 + 1 + 1 + 240 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7938574 + ... + 7943613.

It is an arithmetic number, because the mean of its divisors is an integer number (1548513330).

Almost surely, 2^40023111240 is an apocalyptic number.

40023111240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40023111240 is an abundant number, since it is smaller than the sum of its proper divisors (108634168440).

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

40023111240 is a wasteful number, since it uses less digits than its factorization.

40023111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15882211 (or 15882204 counting only the distinct ones).

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

Adding to 40023111240 its reverse (4211132004), we get a palindrome (44234243244).

The spelling of 40023111240 in words is "forty billion, twenty-three million, one hundred eleven thousand, two hundred forty".