40823481 has 4 divisors (see below), whose sum is σ = 54431312. Its totient is φ = 27215652.

The previous prime is 40823479. The next prime is 40823483. The reversal of 40823481 is 18432804.

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 an interprime number because it is at equal distance from previous prime (40823479) and next prime (40823483).

It is not a de Polignac number, because 40823481 - 2¹ = 40823479 is a prime.

It is a super-2 number, since 2×40823481² = 3333113201914722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40823483) 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, 6803911 + ... + 6803916.

It is an arithmetic number, because the mean of its divisors is an integer number (13607828).

Almost surely, 2^40823481 is an apocalyptic number.

It is an amenable number.

40823481 is a deficient number, since it is larger than the sum of its proper divisors (13607831).

40823481 is a wasteful number, since it uses less digits than its factorization.

40823481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13607830.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 40823481 is about 6389.3255512613. The cubic root of 40823481 is about 344.3261537346.

The spelling of 40823481 in words is "forty million, eight hundred twenty-three thousand, four hundred eighty-one".