40270993 has 6 divisors (see below), whose sum is σ = 46845906. Its totient is φ = 34517952.

The previous prime is 40270969. The next prime is 40271003. The reversal of 40270993 is 39907204.

40270993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38291344 + 1979649 = 6188^2 + 1407^2 .

It is not a de Polignac number, because 40270993 - 2¹³ = 40262801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40270793) 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 5 ways as a sum of consecutive naturals, for example, 410880 + ... + 410977.

It is an arithmetic number, because the mean of its divisors is an integer number (7807651).

Almost surely, 2^40270993 is an apocalyptic number.

It is an amenable number.

40270993 is a deficient number, since it is larger than the sum of its proper divisors (6574913).

40270993 is an equidigital number, since it uses as much as digits as its factorization.

40270993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821871 (or 821864 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 40270993 is about 6345.9430347270. The cubic root of 40270993 is about 342.7657709474.

The spelling of 40270993 in words is "forty million, two hundred seventy thousand, nine hundred ninety-three".