40033100 has 18 divisors (see below), whose sum is σ = 86872044. Its totient is φ = 16013200.

The previous prime is 40033099. The next prime is 40033109. The reversal of 40033100 is 133004.

40033100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40033100² = 3205298191220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40033109) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 200066 + ... + 200265.

Almost surely, 2^40033100 is an apocalyptic number.

It is an amenable number.

40033100 is an abundant number, since it is smaller than the sum of its proper divisors (46838944).

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

40033100 is a wasteful number, since it uses less digits than its factorization.

40033100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400345 (or 400338 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 40033100 is about 6327.1715639771. The cubic root of 40033100 is about 342.0894970000.

Adding to 40033100 its reverse (133004), we get a palindrome (40166104).

The spelling of 40033100 in words is "forty million, thirty-three thousand, one hundred".