1232055440 has 80 divisors (see below), whose sum is σ = 3571378560. Its totient is φ = 384015360.

The previous prime is 1232055379. The next prime is 1232055463. The reversal of 1232055440 is 445502321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

1232055440 is a modest number, since divided by 55440 gives 12320 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93845 + ... + 106164.

It is an arithmetic number, because the mean of its divisors is an integer number (44642232).

Almost surely, 2^1232055440 is an apocalyptic number.

1232055440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232055440 is an abundant number, since it is smaller than the sum of its proper divisors (2339323120).

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

1232055440 is a wasteful number, since it uses less digits than its factorization.

1232055440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200040 (or 200034 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1232055440 is about 35100.6472874789. The cubic root of 1232055440 is about 1072.0377622771.

Adding to 1232055440 its reverse (445502321), we get a palindrome (1677557761).

The spelling of 1232055440 in words is "one billion, two hundred thirty-two million, fifty-five thousand, four hundred forty".