340123051520 has 160 divisors (see below), whose sum is σ = 932765442048. Its totient is φ = 116517593088.

The previous prime is 340123051519. The next prime is 340123051577. The reversal of 340123051520 is 25150321043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 340123051520.

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, 23772689 + ... + 23786991.

Almost surely, 2^340123051520 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 340123051520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466382721024).

340123051520 is an abundant number, since it is smaller than the sum of its proper divisors (592642390528).

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

340123051520 is a wasteful number, since it uses less digits than its factorization.

340123051520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15660 (or 15644 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 340123051520 its reverse (25150321043), we get a palindrome (365273372563).

The spelling of 340123051520 in words is "three hundred forty billion, one hundred twenty-three million, fifty-one thousand, five hundred twenty".