1226634445036 has 192 divisors, whose sum is σ = 2984179968000. Its totient is φ = 425559214080.

The previous prime is 1226634445033. The next prime is 1226634445051. The reversal of 1226634445036 is 6305444366221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1226634445033) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153153000 + ... + 153161008.

It is an arithmetic number, because the mean of its divisors is an integer number (15542604000).

Almost surely, 2^{1226634445036} 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 1226634445036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492089984000).

1226634445036 is an abundant number, since it is smaller than the sum of its proper divisors (1757545522964).

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

1226634445036 is a wasteful number, since it uses less digits than its factorization.

1226634445036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392 (or 9390 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 1226634445036 in words is "one trillion, two hundred twenty-six billion, six hundred thirty-four million, four hundred forty-five thousand, thirty-six".