40671951 has 16 divisors (see below), whose sum is σ = 57315840. Its totient is φ = 25583040.

The previous prime is 40671947. The next prime is 40671979. The reversal of 40671951 is 15917604.

It is not a de Polignac number, because 40671951 - 2² = 40671947 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40671901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14131 + ... + 16763.

It is an arithmetic number, because the mean of its divisors is an integer number (3582240).

Almost surely, 2^40671951 is an apocalyptic number.

40671951 is a deficient number, since it is larger than the sum of its proper divisors (16643889).

40671951 is a wasteful number, since it uses less digits than its factorization.

40671951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 40671951 is about 6377.4564679032. The cubic root of 40671951 is about 343.8995983131.

The spelling of 40671951 in words is "forty million, six hundred seventy-one thousand, nine hundred fifty-one".