40369427 has 4 divisors (see below), whose sum is σ = 46136496. Its totient is φ = 34602360.

The previous prime is 40369423. The next prime is 40369429. The reversal of 40369427 is 72496304.

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 40369427 - 2² = 40369423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40369423) 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, 2883524 + ... + 2883537.

It is an arithmetic number, because the mean of its divisors is an integer number (11534124).

Almost surely, 2^40369427 is an apocalyptic number.

40369427 is a deficient number, since it is larger than the sum of its proper divisors (5767069).

40369427 is an equidigital number, since it uses as much as digits as its factorization.

40369427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767068.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 40369427 is about 6353.6939649310. The cubic root of 40369427 is about 343.0448167377.

The spelling of 40369427 in words is "forty million, three hundred sixty-nine thousand, four hundred twenty-seven".