40420367 has 4 divisors (see below), whose sum is σ = 43529640. Its totient is φ = 37311096.

The previous prime is 40420357. The next prime is 40420379. The reversal of 40420367 is 76302404.

It is a happy number.

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 40420367 - 2⁴ = 40420351 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 (40420307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554617 + ... + 1554642.

It is an arithmetic number, because the mean of its divisors is an integer number (10882410).

Almost surely, 2^40420367 is an apocalyptic number.

40420367 is a deficient number, since it is larger than the sum of its proper divisors (3109273).

40420367 is a wasteful number, since it uses less digits than its factorization.

40420367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109272.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 40420367 is about 6357.7013927991. The cubic root of 40420367 is about 343.1890459997.

The spelling of 40420367 in words is "forty million, four hundred twenty thousand, three hundred sixty-seven".