33144135948 has 72 divisors (see below), whose sum is σ = 104454255360. Its totient is φ = 8608865760.

The previous prime is 33144135929. The next prime is 33144135949. The reversal of 33144135948 is 84953144133.

33144135948 is a `hidden beast` number, since 3 + 3 + 1 + 44 + 13 + 594 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (33144135949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5975608 + ... + 5981151.

Almost surely, 2^33144135948 is an apocalyptic number.

It is an amenable number.

33144135948 is an abundant number, since it is smaller than the sum of its proper divisors (71310119412).

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

33144135948 is a wasteful number, since it uses less digits than its factorization.

33144135948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11956787 (or 11956782 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The spelling of 33144135948 in words is "thirty-three billion, one hundred forty-four million, one hundred thirty-five thousand, nine hundred forty-eight".