33120400434 has 32 divisors (see below), whose sum is σ = 74593751040. Its totient is φ = 9712726800.

The previous prime is 33120400429. The next prime is 33120400447. The reversal of 33120400434 is 43400402133.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8091894 + ... + 8095985.

It is an arithmetic number, because the mean of its divisors is an integer number (2331054720).

Almost surely, 2^33120400434 is an apocalyptic number.

33120400434 is an abundant number, since it is smaller than the sum of its proper divisors (41473350606).

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

33120400434 is a wasteful number, since it uses less digits than its factorization.

33120400434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16187926.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 33120400434 its reverse (43400402133), we get a palindrome (76520802567).

The spelling of 33120400434 in words is "thirty-three billion, one hundred twenty million, four hundred thousand, four hundred thirty-four".