40791500 has 48 divisors (see below), whose sum is σ = 94348800. Its totient is φ = 15353600.

The previous prime is 40791473. The next prime is 40791521. The reversal of 40791500 is 519704.

It is a self number, because there is not a number n which added to its sum of digits gives 40791500.

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, 6101 + ... + 10899.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^40791500 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 40791500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47174400).

40791500 is an abundant number, since it is smaller than the sum of its proper divisors (53557300).

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

40791500 is a wasteful number, since it uses less digits than its factorization.

40791500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4835 (or 4823 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 40791500 is about 6386.8223711013. The cubic root of 40791500 is about 344.2362155318.

The spelling of 40791500 in words is "forty million, seven hundred ninety-one thousand, five hundred".