40799100 has 144 divisors (see below), whose sum is σ = 125991936. Its totient is φ = 10176000.

The previous prime is 40799081. The next prime is 40799117. The reversal of 40799100 is 199704.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 381247 + ... + 381353.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^40799100 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 40799100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62995968).

40799100 is an abundant number, since it is smaller than the sum of its proper divisors (85192836).

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

40799100 is a wasteful number, since it uses less digits than its factorization.

40799100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 40799100 is about 6387.4173184473. The cubic root of 40799100 is about 344.2575928022.

The spelling of 40799100 in words is "forty million, seven hundred ninety-nine thousand, one hundred".