34454320120 has 128 divisors (see below), whose sum is σ = 86752036800. Its totient is φ = 12209356800.

The previous prime is 34454320081. The next prime is 34454320129. The reversal of 34454320120 is 2102345443.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34454320129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2919672 + ... + 2931448.

Almost surely, 2^34454320120 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 34454320120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43376018400).

34454320120 is an abundant number, since it is smaller than the sum of its proper divisors (52297716680).

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

34454320120 is a wasteful number, since it uses less digits than its factorization.

34454320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11969 (or 11965 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 34454320120 its reverse (2102345443), we get a palindrome (36556665563).

The spelling of 34454320120 in words is "thirty-four billion, four hundred fifty-four million, three hundred twenty thousand, one hundred twenty".