40819500 has 144 divisors (see below), whose sum is σ = 132193152. Its totient is φ = 10598400.

The previous prime is 40819459. The next prime is 40819507. The reversal of 40819500 is 591804.

It is not an unprimeable number, because it can be changed into a prime (40819507) 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, 211404 + ... + 211596.

It is an arithmetic number, because the mean of its divisors is an integer number (918008).

Almost surely, 2^40819500 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 40819500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66096576).

40819500 is an abundant number, since it is smaller than the sum of its proper divisors (91373652).

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

40819500 is a wasteful number, since it uses less digits than its factorization.

40819500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 40819500 is about 6389.0140084367. The cubic root of 40819500 is about 344.3149607729.

The spelling of 40819500 in words is "forty million, eight hundred nineteen thousand, five hundred".