12634627040 has 96 divisors (see below), whose sum is σ = 34240195584. Its totient is φ = 4315783680.

The previous prime is 12634627021. The next prime is 12634627043. The reversal of 12634627040 is 4072643621.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634627043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282707 + ... + 324333.

It is an arithmetic number, because the mean of its divisors is an integer number (356668704).

Almost surely, 2^12634627040 is an apocalyptic number.

12634627040 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 12634627040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17120097792).

12634627040 is an abundant number, since it is smaller than the sum of its proper divisors (21605568544).

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

12634627040 is a wasteful number, since it uses less digits than its factorization.

12634627040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41920 (or 41912 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 12634627040 in words is "twelve billion, six hundred thirty-four million, six hundred twenty-seven thousand, forty".