40484057 has 4 divisors (see below), whose sum is σ = 40523700. Its totient is φ = 40444416.

The previous prime is 40484039. The next prime is 40484063. The reversal of 40484057 is 75048404.

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 32844361 + 7639696 = 5731^2 + 2764^2 .

It is a cyclic number.

It is not a de Polignac number, because 40484057 - 2⁸ = 40483801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40484077) 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, 18248 + ... + 20345.

It is an arithmetic number, because the mean of its divisors is an integer number (10130925).

Almost surely, 2^40484057 is an apocalyptic number.

It is an amenable number.

40484057 is a deficient number, since it is larger than the sum of its proper divisors (39643).

40484057 is a wasteful number, since it uses less digits than its factorization.

40484057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39642.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 40484057 is about 6362.7083070026. The cubic root of 40484057 is about 343.3692046809.

The spelling of 40484057 in words is "forty million, four hundred eighty-four thousand, fifty-seven".