40450131500 has 96 divisors (see below), whose sum is σ = 93783178944. Its totient is φ = 15188659200.

The previous prime is 40450131467. The next prime is 40450131539. The reversal of 40450131500 is 513105404.

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 31 ways as a sum of consecutive naturals, for example, 3368507 + ... + 3380493.

It is an arithmetic number, because the mean of its divisors is an integer number (976908114).

Almost surely, 2^40450131500 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 40450131500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46891589472).

40450131500 is an abundant number, since it is smaller than the sum of its proper divisors (53333047444).

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

40450131500 is a wasteful number, since it uses less digits than its factorization.

40450131500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12420 (or 12408 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 40450131500 its reverse (513105404), we get a palindrome (40963236904).

The spelling of 40450131500 in words is "forty billion, four hundred fifty million, one hundred thirty-one thousand, five hundred".