40502369 has 2 divisors, whose sum is σ = 40502370. Its totient is φ = 40502368.

The previous prime is 40502351. The next prime is 40502411. The reversal of 40502369 is 96320504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 12285025 = 5312^2 + 3505^2 .

It is a cyclic number.

It is not a de Polignac number, because 40502369 - 2¹⁶ = 40436833 is a prime.

It is a super-2 number, since 2×40502369² = 3280883789224322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40502339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251184 + 20251185.

It is an arithmetic number, because the mean of its divisors is an integer number (20251185).

Almost surely, 2^40502369 is an apocalyptic number.

It is an amenable number.

40502369 is a deficient number, since it is larger than the sum of its proper divisors (1).

40502369 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 11 representation: 40502369 = (20954036)₁₁.

40502369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 40502369 is about 6364.1471541755. The cubic root of 40502369 is about 343.4209685072.

The spelling of 40502369 in words is "forty million, five hundred two thousand, three hundred sixty-nine".