40502301440 has 144 divisors (see below), whose sum is σ = 104027172480. Its totient is φ = 15054274560.

The previous prime is 40502301439. The next prime is 40502301449. The reversal of 40502301440 is 4410320504.

It is not an unprimeable number, because it can be changed into a prime (40502301449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1707260 + ... + 1730820.

It is an arithmetic number, because the mean of its divisors is an integer number (722410920).

Almost surely, 2^40502301440 is an apocalyptic number.

40502301440 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 40502301440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52013586240).

40502301440 is an abundant number, since it is smaller than the sum of its proper divisors (63524871040).

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

40502301440 is a wasteful number, since it uses less digits than its factorization.

40502301440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23678 (or 23664 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 40502301440 its reverse (4410320504), we get a palindrome (44912621944).

The spelling of 40502301440 in words is "forty billion, five hundred two million, three hundred one thousand, four hundred forty".