40613369 has 8 divisors (see below), whose sum is σ = 42150720. Its totient is φ = 39085200.

The previous prime is 40613341. The next prime is 40613381. The reversal of 40613369 is 96331604.

40613369 = 172² + 173² + ... + 502².

It is a happy number.

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 40613369 - 2²⁰ = 39564793 is a prime.

It is a super-2 number, since 2×40613369² = 3298891483060322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40613399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7484 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (5268840).

Almost surely, 2^40613369 is an apocalyptic number.

It is an amenable number.

40613369 is a deficient number, since it is larger than the sum of its proper divisors (1537351).

40613369 is a wasteful number, since it uses less digits than its factorization.

40613369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 40613369 is about 6372.8619159684. The cubic root of 40613369 is about 343.7344066095.

The spelling of 40613369 in words is "forty million, six hundred thirteen thousand, three hundred sixty-nine".