40324111020 has 144 divisors (see below), whose sum is σ = 123577245792. Its totient is φ = 10642544640.

The previous prime is 40324111019. The next prime is 40324111021. The reversal of 40324111020 is 2011142304.

40324111020 is a `hidden beast` number, since 403 + 241 + 1 + 1 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (40324111019) and next prime (40324111021).

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

It is a junction number, because it is equal to n+sod(n) for n = 40324110984 and 40324111002.

It is not an unprimeable number, because it can be changed into a prime (40324111021) 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, 23817294 + ... + 23818986.

It is an arithmetic number, because the mean of its divisors is an integer number (858175318).

Almost surely, 2^40324111020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40324111020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61788622896).

40324111020 is an abundant number, since it is smaller than the sum of its proper divisors (83253134772).

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

40324111020 is a wasteful number, since it uses less digits than its factorization.

40324111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2992 (or 2987 counting only the distinct ones).

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

Adding to 40324111020 its reverse (2011142304), we get a palindrome (42335253324).

The spelling of 40324111020 in words is "forty billion, three hundred twenty-four million, one hundred eleven thousand, twenty".