40924581 has 4 divisors (see below), whose sum is σ = 54566112. Its totient is φ = 27283052.

The previous prime is 40924579. The next prime is 40924589. The reversal of 40924581 is 18542904.

40924581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40924581 - 2¹ = 40924579 is a prime.

It is a super-2 number, since 2×40924581² = 3349642660051122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40924589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6820761 + ... + 6820766.

It is an arithmetic number, because the mean of its divisors is an integer number (13641528).

Almost surely, 2^40924581 is an apocalyptic number.

It is an amenable number.

40924581 is a deficient number, since it is larger than the sum of its proper divisors (13641531).

40924581 is a wasteful number, since it uses less digits than its factorization.

40924581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13641530.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 40924581 is about 6397.2322921714. The cubic root of 40924581 is about 344.6101624782.

The spelling of 40924581 in words is "forty million, nine hundred twenty-four thousand, five hundred eighty-one".