40057369 has 8 divisors (see below), whose sum is σ = 44765280. Its totient is φ = 35527200.

The previous prime is 40057351. The next prime is 40057379. The reversal of 40057369 is 96375004.

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 40057369 - 2⁵ = 40057337 is a prime.

It is a super-2 number, since 2×40057369² = 3209185622404322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40057319) 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, 43959 + ... + 44860.

It is an arithmetic number, because the mean of its divisors is an integer number (5595660).

Almost surely, 2^40057369 is an apocalyptic number.

It is an amenable number.

40057369 is a deficient number, since it is larger than the sum of its proper divisors (4707911).

40057369 is a wasteful number, since it uses less digits than its factorization.

40057369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88871.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 40057369 is about 6329.0891129767. The cubic root of 40057369 is about 342.1586105828.

The spelling of 40057369 in words is "forty million, fifty-seven thousand, three hundred sixty-nine".