2545324647120 has 60 divisors (see below), whose sum is σ = 8548048608996. Its totient is φ = 678753239040.

The previous prime is 2545324647077. The next prime is 2545324647121. The reversal of 2545324647120 is 217464235452.

2545324647120 is a `hidden beast` number, since 2 + 5 + 4 + 532 + 46 + 4 + 71 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1174683133584 + 1370641513536 = 1083828^2 + 1170744^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545324647121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1767585841 + ... + 1767587280.

Almost surely, 2^{2545324647120} is an apocalyptic number.

2545324647120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2545324647120 is an abundant number, since it is smaller than the sum of its proper divisors (6002723961876).

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

2545324647120 is a wasteful number, since it uses less digits than its factorization.

2545324647120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535173140 (or 3535173131 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 45.

The spelling of 2545324647120 in words is "two trillion, five hundred forty-five billion, three hundred twenty-four million, six hundred forty-seven thousand, one hundred twenty".