40033147 has 36 divisors (see below), whose sum is σ = 54176904. Its totient is φ = 29245440.

The previous prime is 40033139. The next prime is 40033151. The reversal of 40033147 is 74133004.

It is a happy number.

It is not a de Polignac number, because 40033147 - 2³ = 40033139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40033117) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 155643 + ... + 155899.

It is an arithmetic number, because the mean of its divisors is an integer number (1504914).

Almost surely, 2^40033147 is an apocalyptic number.

40033147 is a deficient number, since it is larger than the sum of its proper divisors (14143757).

40033147 is a wasteful number, since it uses less digits than its factorization.

40033147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 40033147 is about 6327.1752781158. The cubic root of 40033147 is about 342.0896308742.

The spelling of 40033147 in words is "forty million, thirty-three thousand, one hundred forty-seven".