120334402540 has 96 divisors (see below), whose sum is σ = 280080073728. Its totient is φ = 43061088000.

The previous prime is 120334402537. The next prime is 120334402561. The reversal of 120334402540 is 45204433021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120334402499 and 120334402508.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8693425 + ... + 8707255.

It is an arithmetic number, because the mean of its divisors is an integer number (2917500768).

Almost surely, 2^120334402540 is an apocalyptic number.

120334402540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120334402540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140040036864).

120334402540 is an abundant number, since it is smaller than the sum of its proper divisors (159745671188).

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

120334402540 is a wasteful number, since it uses less digits than its factorization.

120334402540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14479 (or 14477 counting only the distinct ones).

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

Adding to 120334402540 its reverse (45204433021), we get a palindrome (165538835561).

The spelling of 120334402540 in words is "one hundred twenty billion, three hundred thirty-four million, four hundred two thousand, five hundred forty".