230251210040 has 32 divisors (see below), whose sum is σ = 518461717680. Its totient is φ = 92029996032.

The previous prime is 230251210039. The next prime is 230251210081. The reversal of 230251210040 is 40012152032.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 230251209994 and 230251210021.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2149817 + ... + 2254376.

Almost surely, 2^230251210040 is an apocalyptic number.

230251210040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

230251210040 is an abundant number, since it is smaller than the sum of its proper divisors (288210507640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

230251210040 is a wasteful number, since it uses less digits than its factorization.

230251210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4405511 (or 4405507 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 230251210040 its reverse (40012152032), we get a palindrome (270263362072).

The spelling of 230251210040 in words is "two hundred thirty billion, two hundred fifty-one million, two hundred ten thousand, forty".