12326331640040 has 128 divisors (see below), whose sum is σ = 30917898547200. Its totient is φ = 4384290382080.

The previous prime is 12326331640037. The next prime is 12326331640121. The reversal of 12326331640040 is 4004613362321.

It is a super-2 number, since 2×12326331640040² (a number of 27 digits) contains 22 as substring.

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, 34294781 + ... + 34652339.

It is an arithmetic number, because the mean of its divisors is an integer number (241546082400).

Almost surely, 2^{12326331640040} is an apocalyptic number.

12326331640040 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 12326331640040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15458949273600).

12326331640040 is an abundant number, since it is smaller than the sum of its proper divisors (18591566907160).

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

12326331640040 is a wasteful number, since it uses less digits than its factorization.

12326331640040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359295 (or 359291 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The spelling of 12326331640040 in words is "twelve trillion, three hundred twenty-six billion, three hundred thirty-one million, six hundred forty thousand, forty".