40264421 has 8 divisors (see below), whose sum is σ = 42410304. Its totient is φ = 38151520.

The previous prime is 40264397. The next prime is 40264429. The reversal of 40264421 is 12446204.

40264421 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 40264421 - 2²² = 36070117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40264429) 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, 5720 + ... + 10641.

It is an arithmetic number, because the mean of its divisors is an integer number (5301288).

Almost surely, 2^40264421 is an apocalyptic number.

It is an amenable number.

40264421 is a deficient number, since it is larger than the sum of its proper divisors (2145883).

40264421 is a wasteful number, since it uses less digits than its factorization.

40264421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16491.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 40264421 is about 6345.4252024589. The cubic root of 40264421 is about 342.7471241164.

The spelling of 40264421 in words is "forty million, two hundred sixty-four thousand, four hundred twenty-one".