40275951 has 8 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 26779032.

The previous prime is 40275947. The next prime is 40275959. The reversal of 40275951 is 15957204.

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

It is not a de Polignac number, because 40275951 - 2² = 40275947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40275959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16575 + ... + 18848.

It is an arithmetic number, because the mean of its divisors is an integer number (6730560).

Almost surely, 2^40275951 is an apocalyptic number.

40275951 is a deficient number, since it is larger than the sum of its proper divisors (13568529).

40275951 is a wasteful number, since it uses less digits than its factorization.

40275951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35805.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 40275951 is about 6346.3336659838. Note that the first 3 decimals coincide. The cubic root of 40275951 is about 342.7798370102.

The spelling of 40275951 in words is "forty million, two hundred seventy-five thousand, nine hundred fifty-one".