40311140240 has 160 divisors (see below), whose sum is σ = 114019488000. Its totient is φ = 12946120704.

The previous prime is 40311140239. The next prime is 40311140257. The reversal of 40311140240 is 4204111304.

40311140240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 925676 + ... + 968244.

It is an arithmetic number, because the mean of its divisors is an integer number (712621800).

Almost surely, 2^40311140240 is an apocalyptic number.

40311140240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40311140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57009744000).

40311140240 is an abundant number, since it is smaller than the sum of its proper divisors (73708347760).

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

40311140240 is a wasteful number, since it uses less digits than its factorization.

40311140240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42697 (or 42691 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 40311140240 its reverse (4204111304), we get a palindrome (44515251544).

The spelling of 40311140240 in words is "forty billion, three hundred eleven million, one hundred forty thousand, two hundred forty".