1232001440 has 48 divisors (see below), whose sum is σ = 3037160448. Its totient is φ = 471373056.

The previous prime is 1232001431. The next prime is 1232001487. The reversal of 1232001440 is 441002321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163712 + ... + 171071.

It is an arithmetic number, because the mean of its divisors is an integer number (63274176).

Almost surely, 2^1232001440 is an apocalyptic number.

1232001440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232001440 is an abundant number, since it is smaller than the sum of its proper divisors (1805159008).

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

1232001440 is a wasteful number, since it uses less digits than its factorization.

1232001440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334821 (or 334813 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1232001440 is about 35099.8780624663. The cubic root of 1232001440 is about 1072.0220998637.

Adding to 1232001440 its reverse (441002321), we get a palindrome (1673003761).

The spelling of 1232001440 in words is "one billion, two hundred thirty-two million, one thousand, four hundred forty".