1330405345450 has 24 divisors (see below), whose sum is σ = 2521243644588. Its totient is φ = 522121342080.

The previous prime is 1330405345441. The next prime is 1330405345459. The reversal of 1330405345450 is 545435040331.

It is an interprime number because it is at equal distance from previous prime (1330405345441) and next prime (1330405345459).

It can be written as a sum of positive squares in 6 ways, for example, as 236747445489 + 1093657899961 = 486567^2 + 1045781^2 .

It is not an unprimeable number, because it can be changed into a prime (1330405345459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251017227 + ... + 251022526.

Almost surely, 2^{1330405345450} is an apocalyptic number.

1330405345450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1330405345450 is a deficient number, since it is larger than the sum of its proper divisors (1190838299138).

1330405345450 is a wasteful number, since it uses less digits than its factorization.

1330405345450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502039818 (or 502039813 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 1330405345450 in words is "one trillion, three hundred thirty billion, four hundred five million, three hundred forty-five thousand, four hundred fifty".