40251133 has 8 divisors (see below), whose sum is σ = 43568000. Its totient is φ = 36965808.

The previous prime is 40251131. The next prime is 40251151. The reversal of 40251133 is 33115204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40251133 - 2¹ = 40251131 is a prime.

It is a super-3 number, since 3×40251133³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40251133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40251131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5193 + ... + 10366.

It is an arithmetic number, because the mean of its divisors is an integer number (5446000).

Almost surely, 2^40251133 is an apocalyptic number.

It is an amenable number.

40251133 is a deficient number, since it is larger than the sum of its proper divisors (3316867).

40251133 is a wasteful number, since it uses less digits than its factorization.

40251133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15771.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40251133 is about 6344.3780625054. The cubic root of 40251133 is about 342.7094156815.

Adding to 40251133 its reverse (33115204), we get a palindrome (73366337).

The spelling of 40251133 in words is "forty million, two hundred fifty-one thousand, one hundred thirty-three".