40302369 has 24 divisors (see below), whose sum is σ = 60091200. Its totient is φ = 26016480.

The previous prime is 40302347. The next prime is 40302377. The reversal of 40302369 is 96320304.

It is not a de Polignac number, because 40302369 - 2⁸ = 40302113 is a prime.

It is a super-2 number, since 2×40302369² = 3248561894024322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40302319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37167 + ... + 38235.

It is an arithmetic number, because the mean of its divisors is an integer number (2503800).

Almost surely, 2^40302369 is an apocalyptic number.

It is an amenable number.

40302369 is a deficient number, since it is larger than the sum of its proper divisors (19788831).

40302369 is a wasteful number, since it uses less digits than its factorization.

40302369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 40302369 is about 6348.4146839979. The cubic root of 40302369 is about 342.8547665758.

The spelling of 40302369 in words is "forty million, three hundred two thousand, three hundred sixty-nine".