4152124545440 has 144 divisors (see below), whose sum is σ = 10449920483352. Its totient is φ = 1558718447616.

The previous prime is 4152124545343. The next prime is 4152124545461. The reversal of 4152124545440 is 445454212514.

It can be written as a sum of positive squares in 12 ways, for example, as 2648469817744 + 1503654727696 = 1627412^2 + 1226236^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16195532 + ... + 16449908.

Almost surely, 2^{4152124545440} is an apocalyptic number.

4152124545440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4152124545440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5224960241676).

4152124545440 is an abundant number, since it is smaller than the sum of its proper divisors (6297795937912).

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

4152124545440 is a wasteful number, since it uses less digits than its factorization.

4152124545440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254779 (or 254754 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 41.

Adding to 4152124545440 its reverse (445454212514), we get a palindrome (4597578757954).

The spelling of 4152124545440 in words is "four trillion, one hundred fifty-two billion, one hundred twenty-four million, five hundred forty-five thousand, four hundred forty".