40951971 has 6 divisors (see below), whose sum is σ = 59152860. Its totient is φ = 27301308.

The previous prime is 40951969. The next prime is 40952033. The reversal of 40951971 is 17915904.

It is not a de Polignac number, because 40951971 - 2¹ = 40951969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40951901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2275101 + ... + 2275118.

It is an arithmetic number, because the mean of its divisors is an integer number (9858810).

Almost surely, 2^40951971 is an apocalyptic number.

40951971 is a deficient number, since it is larger than the sum of its proper divisors (18200889).

40951971 is a wasteful number, since it uses less digits than its factorization.

40951971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4550225 (or 4550222 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 40951971 is about 6399.3727036328. The cubic root of 40951971 is about 344.6870255529.

The spelling of 40951971 in words is "forty million, nine hundred fifty-one thousand, nine hundred seventy-one".