1320455534250 has 32 divisors (see below), whose sum is σ = 3295857015360. Its totient is φ = 352121475600.

The previous prime is 1320455534231. The next prime is 1320455534291. The reversal of 1320455534250 is 524355540231.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1320455534199 and 1320455534208.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 880302940 + ... + 880304439.

It is an arithmetic number, because the mean of its divisors is an integer number (102995531730).

Almost surely, 2^{1320455534250} is an apocalyptic number.

1320455534250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1320455534250 is an abundant number, since it is smaller than the sum of its proper divisors (1975401481110).

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

1320455534250 is a wasteful number, since it uses less digits than its factorization.

1320455534250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760607399 (or 1760607389 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 1320455534250 in words is "one trillion, three hundred twenty billion, four hundred fifty-five million, five hundred thirty-four thousand, two hundred fifty".