4512231342540 has 36 divisors (see below), whose sum is σ = 13687101739584. Its totient is φ = 1203261691296.

The previous prime is 4512231342517. The next prime is 4512231342557. The reversal of 4512231342540 is 452431322154.

It is a happy number.

4512231342540 is a `hidden beast` number, since 4 + 5 + 1 + 223 + 1 + 3 + 425 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4512231342495 and 4512231342504.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12533975772 + ... + 12533976131.

It is an arithmetic number, because the mean of its divisors is an integer number (380197270544).

Almost surely, 2^{4512231342540} is an apocalyptic number.

It is an amenable number.

4512231342540 is an abundant number, since it is smaller than the sum of its proper divisors (9174870397044).

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

4512231342540 is a wasteful number, since it uses less digits than its factorization.

4512231342540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25067951918 (or 25067951913 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 4512231342540 its reverse (452431322154), we get a palindrome (4964662664694).

The spelling of 4512231342540 in words is "four trillion, five hundred twelve billion, two hundred thirty-one million, three hundred forty-two thousand, five hundred forty".