1346620550 has 48 divisors (see below), whose sum is σ = 2806306992. Its totient is φ = 476438400.

The previous prime is 1346620549. The next prime is 1346620559. The reversal of 1346620550 is 550266431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1346620559) 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, 12737 + ... + 53436.

It is an arithmetic number, because the mean of its divisors is an integer number (58464729).

Almost surely, 2^1346620550 is an apocalyptic number.

1346620550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1346620550 is an abundant number, since it is smaller than the sum of its proper divisors (1459686442).

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

1346620550 is a wasteful number, since it uses less digits than its factorization.

1346620550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66233 (or 66228 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1346620550 is about 36696.3288354571. The cubic root of 1346620550 is about 1104.2864567477.

Adding to 1346620550 its reverse (550266431), we get a palindrome (1896886981).

The spelling of 1346620550 in words is "one billion, three hundred forty-six million, six hundred twenty thousand, five hundred fifty".