4145520726 has 24 divisors (see below), whose sum is σ = 9028507800. Its totient is φ = 1374679296.

The previous prime is 4145520721. The next prime is 4145520749. The reversal of 4145520726 is 6270255414.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145520721) 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, 593176 + ... + 600123.

It is an arithmetic number, because the mean of its divisors is an integer number (376187825).

Almost surely, 2^4145520726 is an apocalyptic number.

4145520726 is an abundant number, since it is smaller than the sum of its proper divisors (4882987074).

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

4145520726 is a wasteful number, since it uses less digits than its factorization.

4145520726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193500 (or 1193497 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 4145520726 is about 64385.7183387745. The cubic root of 4145520726 is about 1606.4221988097.

The spelling of 4145520726 in words is "four billion, one hundred forty-five million, five hundred twenty thousand, seven hundred twenty-six".