1232560072040 has 128 divisors (see below), whose sum is σ = 3042699811200. Its totient is φ = 445644334080.

The previous prime is 1232560071973. The next prime is 1232560072043. The reversal of 1232560072040 is 402700652321.

It is a junction number, because it is equal to n+sod(n) for n = 1232560071988 and 1232560072006.

It is not an unprimeable number, because it can be changed into a prime (1232560072043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55362431 + ... + 55384689.

It is an arithmetic number, because the mean of its divisors is an integer number (23771092275).

Almost surely, 2^{1232560072040} is an apocalyptic number.

1232560072040 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 1232560072040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521349905600).

1232560072040 is an abundant number, since it is smaller than the sum of its proper divisors (1810139739160).

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

1232560072040 is a wasteful number, since it uses less digits than its factorization.

1232560072040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22995 (or 22991 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The spelling of 1232560072040 in words is "one trillion, two hundred thirty-two billion, five hundred sixty million, seventy-two thousand, forty".