1210232440 has 32 divisors (see below), whose sum is σ = 2725138080. Its totient is φ = 483716992.

The previous prime is 1210232407. The next prime is 1210232453. The reversal of 1210232440 is 442320121.

1210232440 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 43614 + ... + 65746.

It is an arithmetic number, because the mean of its divisors is an integer number (85160565).

Almost surely, 2^1210232440 is an apocalyptic number.

1210232440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1210232440 is an abundant number, since it is smaller than the sum of its proper divisors (1514905640).

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

1210232440 is a wasteful number, since it uses less digits than its factorization.

1210232440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23511 (or 23507 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1210232440 is about 34788.3951915003. The cubic root of 1210232440 is about 1065.6704661675.

Adding to 1210232440 its reverse (442320121), we get a palindrome (1652552561).

The spelling of 1210232440 in words is "one billion, two hundred ten million, two hundred thirty-two thousand, four hundred forty".