12340578624 has 224 divisors, whose sum is σ = 37063680000. Its totient is φ = 3590645760.

The previous prime is 12340578617. The next prime is 12340578637. The reversal of 12340578624 is 42687504321.

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, 6172377 + ... + 6174375.

Almost surely, 2^12340578624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340578624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18531840000).

12340578624 is an abundant number, since it is smaller than the sum of its proper divisors (24723101376).

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

12340578624 is a wasteful number, since it uses less digits than its factorization.

12340578624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2131 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 12340578624 in words is "twelve billion, three hundred forty million, five hundred seventy-eight thousand, six hundred twenty-four".