1352507220450 has 144 divisors (see below), whose sum is σ = 3826131391680. Its totient is φ = 341583661440.

The previous prime is 1352507220443. The next prime is 1352507220461. The reversal of 1352507220450 is 540227052531.

1352507220450 is a `hidden beast` number, since 1 + 3 + 525 + 0 + 72 + 20 + 45 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30869259 + ... + 30913041.

Almost surely, 2^{1352507220450} is an apocalyptic number.

1352507220450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1352507220450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1913065695840).

1352507220450 is an abundant number, since it is smaller than the sum of its proper divisors (2473624171230).

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

1352507220450 is a wasteful number, since it uses less digits than its factorization.

1352507220450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47433 (or 47425 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 1352507220450 in words is "one trillion, three hundred fifty-two billion, five hundred seven million, two hundred twenty thousand, four hundred fifty".