33894742356 has 48 divisors (see below), whose sum is σ = 87916864000. Its totient is φ = 11292898176.

The previous prime is 33894742291. The next prime is 33894742361. The reversal of 33894742356 is 65324749833.

33894742356 is a `hidden beast` number, since 338 + 9 + 4 + 74 + 235 + 6 = 666.

It is a super-2 number, since 2×33894742356² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 15 ways as a sum of consecutive naturals, for example, 158220 + ... + 304668.

Almost surely, 2^33894742356 is an apocalyptic number.

33894742356 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33894742356 is an abundant number, since it is smaller than the sum of its proper divisors (54022121644).

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

33894742356 is a wasteful number, since it uses less digits than its factorization.

33894742356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148605 (or 148597 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 33894742356 in words is "thirty-three billion, eight hundred ninety-four million, seven hundred forty-two thousand, three hundred fifty-six".