40427893 has 8 divisors (see below), whose sum is σ = 44303616. Its totient is φ = 36585600.

The previous prime is 40427879. The next prime is 40427957. The reversal of 40427893 is 39872404.

It is a happy number.

40427893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40427893 - 2¹⁷ = 40296821 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 (40427833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5788 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (5537952).

Almost surely, 2^40427893 is an apocalyptic number.

It is an amenable number.

40427893 is a deficient number, since it is larger than the sum of its proper divisors (3875723).

40427893 is a wasteful number, since it uses less digits than its factorization.

40427893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16715.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 40427893 is about 6358.2932458326. The cubic root of 40427893 is about 343.2103445072.

It can be divided in two parts, 4042 and 7893, that added together give a triangular number (11935 = T₁₅₄).

The spelling of 40427893 in words is "forty million, four hundred twenty-seven thousand, eight hundred ninety-three".