1352545637220 has 96 divisors (see below), whose sum is σ = 4210367696640. Its totient is φ = 360469013760.

The previous prime is 1352545637189. The next prime is 1352545637243. The reversal of 1352545637220 is 227365452531.

1352545637220 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 5 + 4 + 5 + 637 + 2 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 201649 + ... + 1657031.

It is an arithmetic number, because the mean of its divisors is an integer number (43857996840).

Almost surely, 2^{1352545637220} is an apocalyptic number.

1352545637220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352545637220 is an abundant number, since it is smaller than the sum of its proper divisors (2857822059420).

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

1352545637220 is a wasteful number, since it uses less digits than its factorization.

1352545637220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457122 (or 1457114 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 1352545637220 in words is "one trillion, three hundred fifty-two billion, five hundred forty-five million, six hundred thirty-seven thousand, two hundred twenty".