40441837 has 2 divisors, whose sum is σ = 40441838. Its totient is φ = 40441836.

The previous prime is 40441831. The next prime is 40441853. The reversal of 40441837 is 73814404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26409321 + 14032516 = 5139^2 + 3746^2 .

It is a cyclic number.

It is not a de Polignac number, because 40441837 - 2³ = 40441829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40441799 and 40441808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40441831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20220918 + 20220919.

It is an arithmetic number, because the mean of its divisors is an integer number (20220919).

Almost surely, 2^40441837 is an apocalyptic number.

It is an amenable number.

40441837 is a deficient number, since it is larger than the sum of its proper divisors (1).

40441837 is an equidigital number, since it uses as much as digits as its factorization.

40441837 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 40441837 is about 6359.3896719732. The cubic root of 40441837 is about 343.2497989084.

The spelling of 40441837 in words is "forty million, four hundred forty-one thousand, eight hundred thirty-seven".