340122321550 has 48 divisors (see below), whose sum is σ = 691165329552. Its totient is φ = 123496934400.

The previous prime is 340122321499. The next prime is 340122321557. The reversal of 340122321550 is 55123221043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340122321557) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89289 + ... + 829588.

It is an arithmetic number, because the mean of its divisors is an integer number (14399277699).

Almost surely, 2^340122321550 is an apocalyptic number.

340122321550 is an abundant number, since it is smaller than the sum of its proper divisors (351043008002).

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

340122321550 is a wasteful number, since it uses less digits than its factorization.

340122321550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919573 (or 919568 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 340122321550 its reverse (55123221043), we get a palindrome (395245542593).

The spelling of 340122321550 in words is "three hundred forty billion, one hundred twenty-two million, three hundred twenty-one thousand, five hundred fifty".