40364389 has 8 divisors (see below), whose sum is σ = 43545600. Its totient is φ = 37194096.

The previous prime is 40364383. The next prime is 40364393. The reversal of 40364389 is 98346304.

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 40364389 - 2³ = 40364381 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 (40364381) 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, 6012 + ... + 10810.

It is an arithmetic number, because the mean of its divisors is an integer number (5443200).

Almost surely, 2^40364389 is an apocalyptic number.

It is an amenable number.

40364389 is a deficient number, since it is larger than the sum of its proper divisors (3181211).

40364389 is a wasteful number, since it uses less digits than its factorization.

40364389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5459.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 40364389 is about 6353.2974902801. The cubic root of 40364389 is about 343.0305457756.

The spelling of 40364389 in words is "forty million, three hundred sixty-four thousand, three hundred eighty-nine".