33400434142 has 8 divisors (see below), whose sum is σ = 50132027736. Its totient is φ = 16689758232.

The previous prime is 33400434131. The next prime is 33400434143. The reversal of 33400434142 is 24143400433.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33400434142² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33400434142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33400434143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5225428 + ... + 5231815.

It is an arithmetic number, because the mean of its divisors is an integer number (6266503467).

Almost surely, 2^33400434142 is an apocalyptic number.

33400434142 is a deficient number, since it is larger than the sum of its proper divisors (16731593594).

33400434142 is a wasteful number, since it uses less digits than its factorization.

33400434142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10458842.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 33400434142 its reverse (24143400433), we get a palindrome (57543834575).

The spelling of 33400434142 in words is "thirty-three billion, four hundred million, four hundred thirty-four thousand, one hundred forty-two".