34638554412 has 144 divisors (see below), whose sum is σ = 109228234752. Its totient is φ = 8991728640.

The previous prime is 34638554399. The next prime is 34638554417. The reversal of 34638554412 is 21445583643.

34638554412 is a `hidden beast` number, since 3 + 4 + 638 + 5 + 5 + 4 + 4 + 1 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (34638554417) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7362853 + ... + 7367555.

It is an arithmetic number, because the mean of its divisors is an integer number (758529408).

Almost surely, 2^34638554412 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 34638554412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54614117376).

34638554412 is an abundant number, since it is smaller than the sum of its proper divisors (74589680340).

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

34638554412 is a wasteful number, since it uses less digits than its factorization.

34638554412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7388 (or 7383 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 34638554412 in words is "thirty-four billion, six hundred thirty-eight million, five hundred fifty-four thousand, four hundred twelve".