1240660002132 has 72 divisors (see below), whose sum is σ = 3215629609920. Its totient is φ = 403086602880.

The previous prime is 1240660002079. The next prime is 1240660002157. The reversal of 1240660002132 is 2312000660421.

1240660002132 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 6 + 600 + 0 + 21 + 32 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1240660002096 and 1240660002105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1173619 + ... + 1964357.

It is an arithmetic number, because the mean of its divisors is an integer number (44661522360).

Almost surely, 2^{1240660002132} is an apocalyptic number.

1240660002132 is a gapful number since it is divisible by the number (12) 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 1240660002132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607814804960).

1240660002132 is an abundant number, since it is smaller than the sum of its proper divisors (1974969607788).

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

1240660002132 is a wasteful number, since it uses less digits than its factorization.

1240660002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791853 (or 791848 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 1240660002132 its reverse (2312000660421), we get a palindrome (3552660662553).

The spelling of 1240660002132 in words is "one trillion, two hundred forty billion, six hundred sixty million, two thousand, one hundred thirty-two".