1232486840 has 128 divisors (see below), whose sum is σ = 3117381120. Its totient is φ = 435456000.

The previous prime is 1232486803. The next prime is 1232486861. The reversal of 1232486840 is 486842321.

It is a junction number, because it is equal to n+sod(n) for n = 1232486794 and 1232486803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1627742 + ... + 1628498.

It is an arithmetic number, because the mean of its divisors is an integer number (24354540).

Almost surely, 2^1232486840 is an apocalyptic number.

1232486840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1232486840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1558690560).

1232486840 is an abundant number, since it is smaller than the sum of its proper divisors (1884894280).

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

1232486840 is a wasteful number, since it uses less digits than its factorization.

1232486840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913 (or 909 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 1232486840 is about 35106.7919354646. The cubic root of 1232486840 is about 1072.1628711285.

The spelling of 1232486840 in words is "one billion, two hundred thirty-two million, four hundred eighty-six thousand, eight hundred forty".