40230231093 has 32 divisors (see below), whose sum is σ = 64354550400. Its totient is φ = 24691661568.

The previous prime is 40230231089. The next prime is 40230231103. The reversal of 40230231093 is 39013203204.

It is a happy number.

40230231093 is a `hidden beast` number, since 40 + 2 + 302 + 310 + 9 + 3 = 666.

It is not a de Polignac number, because 40230231093 - 2² = 40230231089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40230231053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18180 + ... + 284237.

It is an arithmetic number, because the mean of its divisors is an integer number (2011079700).

Almost surely, 2^40230231093 is an apocalyptic number.

It is an amenable number.

40230231093 is a deficient number, since it is larger than the sum of its proper divisors (24124319307).

40230231093 is a wasteful number, since it uses less digits than its factorization.

40230231093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302818 (or 302812 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 40230231093 its reverse (39013203204), we get a palindrome (79243434297).

The spelling of 40230231093 in words is "forty billion, two hundred thirty million, two hundred thirty-one thousand, ninety-three".