40872771 has 12 divisors (see below), whose sum is σ = 61605648. Its totient is φ = 26063664.

The previous prime is 40872763. The next prime is 40872779. The reversal of 40872771 is 17727804.

It is an interprime number because it is at equal distance from previous prime (40872763) and next prime (40872779).

It is not a de Polignac number, because 40872771 - 2³ = 40872763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40872779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98520 + ... + 98933.

It is an arithmetic number, because the mean of its divisors is an integer number (5133804).

Almost surely, 2^40872771 is an apocalyptic number.

40872771 is a deficient number, since it is larger than the sum of its proper divisors (20732877).

40872771 is a wasteful number, since it uses less digits than its factorization.

40872771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197482 (or 197479 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 40872771 is about 6393.1816023010. The cubic root of 40872771 is about 344.4646770364.

The spelling of 40872771 in words is "forty million, eight hundred seventy-two thousand, seven hundred seventy-one".