40872111 has 16 divisors (see below), whose sum is σ = 62409984. Its totient is φ = 23307264.

The previous prime is 40872101. The next prime is 40872113. The reversal of 40872111 is 11127804.

It is not a de Polignac number, because 40872111 - 2⁹ = 40871599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872113) 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, 10095 + ... + 13551.

It is an arithmetic number, because the mean of its divisors is an integer number (3900624).

Almost surely, 2^40872111 is an apocalyptic number.

40872111 is a deficient number, since it is larger than the sum of its proper divisors (21537873).

40872111 is a wasteful number, since it uses less digits than its factorization.

40872111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4030.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 40872111 is about 6393.1299846007. The cubic root of 40872111 is about 344.4628229258.

Adding to 40872111 its reverse (11127804), we get a palindrome (51999915).

The spelling of 40872111 in words is "forty million, eight hundred seventy-two thousand, one hundred eleven".