40274593 has 2 divisors, whose sum is σ = 40274594. Its totient is φ = 40274592.

The previous prime is 40274561. The next prime is 40274599. The reversal of 40274593 is 39547204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25887744 + 14386849 = 5088^2 + 3793^2 .

It is a cyclic number.

It is not a de Polignac number, because 40274593 - 2⁵ = 40274561 is a prime.

It is equal to p_2449339 and since 40274593 and 2449339 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (40274599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20137296 + 20137297.

It is an arithmetic number, because the mean of its divisors is an integer number (20137297).

Almost surely, 2^40274593 is an apocalyptic number.

It is an amenable number.

40274593 is a deficient number, since it is larger than the sum of its proper divisors (1).

40274593 is an equidigital number, since it uses as much as digits as its factorization.

40274593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 40274593 is about 6346.2266741742. The cubic root of 40274593 is about 342.7759844196.

The spelling of 40274593 in words is "forty million, two hundred seventy-four thousand, five hundred ninety-three".