40364441 has 4 divisors (see below), whose sum is σ = 43469412. Its totient is φ = 37259472.

The previous prime is 40364413. The next prime is 40364461. The reversal of 40364441 is 14446304.

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 13542400 + 26822041 = 3680^2 + 5179^2 .

It is a cyclic number.

It is not a de Polignac number, because 40364441 - 2¹⁴ = 40348057 is a prime.

It is a super-4 number, since 4×40364441⁴ (a number of 32 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40364441.

It is not an unprimeable number, because it can be changed into a prime (40364461) 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, 1552466 + ... + 1552491.

It is an arithmetic number, because the mean of its divisors is an integer number (10867353).

Almost surely, 2^40364441 is an apocalyptic number.

It is an amenable number.

40364441 is a deficient number, since it is larger than the sum of its proper divisors (3104971).

40364441 is a wasteful number, since it uses less digits than its factorization.

40364441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104970.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40364441 is about 6353.3015826419. The cubic root of 40364441 is about 343.0306930802.

The spelling of 40364441 in words is "forty million, three hundred sixty-four thousand, four hundred forty-one".