40311244140 has 48 divisors (see below), whose sum is σ = 113044444128. Its totient is φ = 10733192704.

The previous prime is 40311244121. The next prime is 40311244177. The reversal of 40311244140 is 4144211304.

40311244140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40311244140² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40311244140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475257 + ... + 553616.

It is an arithmetic number, because the mean of its divisors is an integer number (2355092586).

Almost surely, 2^40311244140 is an apocalyptic number.

It is an amenable number.

40311244140 is an abundant number, since it is smaller than the sum of its proper divisors (72733199988).

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

40311244140 is a wasteful number, since it uses less digits than its factorization.

40311244140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029538 (or 1029536 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 40311244140 its reverse (4144211304), we get a palindrome (44455455444).

The spelling of 40311244140 in words is "forty billion, three hundred eleven million, two hundred forty-four thousand, one hundred forty".