40081127 has 4 divisors (see below), whose sum is σ = 42190680. Its totient is φ = 37971576.

The previous prime is 40081099. The next prime is 40081141. The reversal of 40081127 is 72118004.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40081127 - 2¹⁸ = 39818983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40081147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054748 + ... + 1054785.

It is an arithmetic number, because the mean of its divisors is an integer number (10547670).

Almost surely, 2^40081127 is an apocalyptic number.

40081127 is a deficient number, since it is larger than the sum of its proper divisors (2109553).

40081127 is a wasteful number, since it uses less digits than its factorization.

40081127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109552.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 40081127 is about 6330.9657241214. The cubic root of 40081127 is about 342.2262418984.

The spelling of 40081127 in words is "forty million, eighty-one thousand, one hundred twenty-seven".