42994135548 has 144 divisors (see below), whose sum is σ = 134781943296. Its totient is φ = 11252442240.

The previous prime is 42994135523. The next prime is 42994135609. The reversal of 42994135548 is 84553149924.

It is a happy number.

42994135548 is a `hidden beast` number, since 4 + 2 + 9 + 94 + 1 + 3 + 5 + 548 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 42994135494 and 42994135503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379065 + ... + 479247.

Almost surely, 2^42994135548 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 42994135548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67390971648).

42994135548 is an abundant number, since it is smaller than the sum of its proper divisors (91787807748).

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

42994135548 is a wasteful number, since it uses less digits than its factorization.

42994135548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100344 (or 100339 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 54.

The spelling of 42994135548 in words is "forty-two billion, nine hundred ninety-four million, one hundred thirty-five thousand, five hundred forty-eight".