40380469 has 8 divisors (see below), whose sum is σ = 41171328. Its totient is φ = 39595920.

The previous prime is 40380463. The next prime is 40380481. The reversal of 40380469 is 96408304.

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 40380469 - 2¹⁷ = 40249397 is a prime.

It is a super-2 number, since 2×40380469² = 3261164553319922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40380463) 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, 12544 + ... + 15430.

It is an arithmetic number, because the mean of its divisors is an integer number (5146416).

Almost surely, 2^40380469 is an apocalyptic number.

It is an amenable number.

40380469 is a deficient number, since it is larger than the sum of its proper divisors (790859).

40380469 is a wasteful number, since it uses less digits than its factorization.

40380469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3155.

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

The square root of 40380469 is about 6354.5628488512. The cubic root of 40380469 is about 343.0760908630.

The spelling of 40380469 in words is "forty million, three hundred eighty thousand, four hundred sixty-nine".