40300889 has 2 divisors, whose sum is σ = 40300890. Its totient is φ = 40300888.

The previous prime is 40300861. The next prime is 40300903. The reversal of 40300889 is 98800304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35010889 + 5290000 = 5917^2 + 2300^2 .

It is a cyclic number.

It is not a de Polignac number, because 40300889 - 2¹⁶ = 40235353 is a prime.

It is not a weakly prime, because it can be changed into another prime (40300849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20150444 + 20150445.

It is an arithmetic number, because the mean of its divisors is an integer number (20150445).

Almost surely, 2^40300889 is an apocalyptic number.

It is an amenable number.

40300889 is a deficient number, since it is larger than the sum of its proper divisors (1).

40300889 is an equidigital number, since it uses as much as digits as its factorization.

40300889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 40300889 is about 6348.2981183936. The cubic root of 40300889 is about 342.8505697070.

The spelling of 40300889 in words is "forty million, three hundred thousand, eight hundred eighty-nine".