33604264540644 has 144 divisors (see below), whose sum is σ = 95181609600000. Its totient is φ = 9183357927744.

The previous prime is 33604264540597. The next prime is 33604264540697. The reversal of 33604264540644 is 44604546240633.

It is a super-2 number, since 2×33604264540644² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407288107 + ... + 407370605.

It is an arithmetic number, because the mean of its divisors is an integer number (660983400000).

Almost surely, 2^{33604264540644} 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 33604264540644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47590804800000).

33604264540644 is an abundant number, since it is smaller than the sum of its proper divisors (61577345059356).

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

33604264540644 is a wasteful number, since it uses less digits than its factorization.

33604264540644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112662 (or 112653 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 51.

The spelling of 33604264540644 in words is "thirty-three trillion, six hundred four billion, two hundred sixty-four million, five hundred forty thousand, six hundred forty-four".