40226389 has 8 divisors (see below), whose sum is σ = 46727168. Its totient is φ = 33914160.

The previous prime is 40226353. The next prime is 40226413. The reversal of 40226389 is 98362204.

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

It is not a de Polignac number, because 40226389 - 2¹⁷ = 40095317 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 (40226339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46677 + ... + 47530.

It is an arithmetic number, because the mean of its divisors is an integer number (5840896).

Almost surely, 2^40226389 is an apocalyptic number.

It is an amenable number.

40226389 is a deficient number, since it is larger than the sum of its proper divisors (6500779).

40226389 is an equidigital number, since it uses as much as digits as its factorization.

40226389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94275.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 40226389 is about 6342.4276897731. The cubic root of 40226389 is about 342.6391755052.

The spelling of 40226389 in words is "forty million, two hundred twenty-six thousand, three hundred eighty-nine".