40420667 has 8 divisors (see below), whose sum is σ = 46233600. Its totient is φ = 34617384.

The previous prime is 40420663. The next prime is 40420669. The reversal of 40420667 is 76602404.

40420667 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 40420667 - 2² = 40420663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40420661) 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, 14384 + ... + 16962.

It is an arithmetic number, because the mean of its divisors is an integer number (5779200).

Almost surely, 2^40420667 is an apocalyptic number.

40420667 is a deficient number, since it is larger than the sum of its proper divisors (5812933).

40420667 is a wasteful number, since it uses less digits than its factorization.

40420667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4825.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40420667 is about 6357.7249861881. The cubic root of 40420667 is about 343.1898950474.

The spelling of 40420667 in words is "forty million, four hundred twenty thousand, six hundred sixty-seven".