40300817 has 4 divisors (see below), whose sum is σ = 40327920. Its totient is φ = 40273716.

The previous prime is 40300787. The next prime is 40300831. The reversal of 40300817 is 71800304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40300817 - 2¹² = 40296721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40300792 and 40300801.

It is not an unprimeable number, because it can be changed into a prime (40303817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11183 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (10081980).

Almost surely, 2^40300817 is an apocalyptic number.

It is an amenable number.

40300817 is a deficient number, since it is larger than the sum of its proper divisors (27103).

40300817 is a wasteful number, since it uses less digits than its factorization.

40300817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27102.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40300817 is about 6348.2924475799. The cubic root of 40300817 is about 342.8503655324.

The spelling of 40300817 in words is "forty million, three hundred thousand, eight hundred seventeen".