40837469 has 4 divisors (see below), whose sum is σ = 40901820. Its totient is φ = 40773120.

The previous prime is 40837463. The next prime is 40837523. The reversal of 40837469 is 96473804.

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 20025625 + 20811844 = 4475^2 + 4562^2 .

It is a cyclic number.

It is not a de Polignac number, because 40837469 - 2⁴ = 40837453 is a prime.

It is a super-2 number, since 2×40837469² = 3335397748651922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40837463) 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, 31214 + ... + 32495.

It is an arithmetic number, because the mean of its divisors is an integer number (10225455).

Almost surely, 2^40837469 is an apocalyptic number.

It is an amenable number.

40837469 is a deficient number, since it is larger than the sum of its proper divisors (64351).

40837469 is an equidigital number, since it uses as much as digits as its factorization.

40837469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64350.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 40837469 is about 6390.4200957371. The cubic root of 40837469 is about 344.3654765631.

The spelling of 40837469 in words is "forty million, eight hundred thirty-seven thousand, four hundred sixty-nine".