40300289 has 4 divisors (see below), whose sum is σ = 41389524. Its totient is φ = 39211056.

The previous prime is 40300241. The next prime is 40300297. The reversal of 40300289 is 98200304.

40300289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18835600 + 21464689 = 4340^2 + 4633^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40300289 is a prime.

It is a super-2 number, since 2×40300289² = 3248226586967042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40300219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544562 + ... + 544635.

It is an arithmetic number, because the mean of its divisors is an integer number (10347381).

Almost surely, 2^40300289 is an apocalyptic number.

It is an amenable number.

40300289 is a deficient number, since it is larger than the sum of its proper divisors (1089235).

40300289 is a wasteful number, since it uses less digits than its factorization.

40300289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089234.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40300289 is about 6348.2508614578. The cubic root of 40300289 is about 342.8488682444.

The spelling of 40300289 in words is "forty million, three hundred thousand, two hundred eighty-nine".