40504127 has 4 divisors (see below), whose sum is σ = 42265200. Its totient is φ = 38743056.

The previous prime is 40504099. The next prime is 40504133. The reversal of 40504127 is 72140504.

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

It is a cyclic number.

It is not a de Polignac number, because 40504127 - 2⁸ = 40503871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 1761049 = 40504127 / (4 + 0 + 5 + 0 + 4 + 1 + 2 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40504627) 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, 880502 + ... + 880547.

It is an arithmetic number, because the mean of its divisors is an integer number (10566300).

Almost surely, 2^40504127 is an apocalyptic number.

40504127 is a deficient number, since it is larger than the sum of its proper divisors (1761073).

40504127 is a wasteful number, since it uses less digits than its factorization.

40504127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761072.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 40504127 is about 6364.2852701619. The cubic root of 40504127 is about 343.4259371493.

The spelling of 40504127 in words is "forty million, five hundred four thousand, one hundred twenty-seven".