40084481 has 4 divisors (see below), whose sum is σ = 40152000. Its totient is φ = 40016964.

The previous prime is 40084477. The next prime is 40084523. The reversal of 40084481 is 18448004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40084481 - 2² = 40084477 is a prime.

It is a super-2 number, since 2×40084481² = 3213531234078722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40089481) 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, 32861 + ... + 34058.

It is an arithmetic number, because the mean of its divisors is an integer number (10038000).

Almost surely, 2^40084481 is an apocalyptic number.

It is an amenable number.

40084481 is a deficient number, since it is larger than the sum of its proper divisors (67519).

40084481 is an equidigital number, since it uses as much as digits as its factorization.

40084481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67518.

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 40084481 is about 6331.2306070779. The cubic root of 40084481 is about 342.2357874949.

The spelling of 40084481 in words is "forty million, eighty-four thousand, four hundred eighty-one".