4145025320 has 32 divisors (see below), whose sum is σ = 9408850920. Its totient is φ = 1643335680.

The previous prime is 4145025317. The next prime is 4145025331. The reversal of 4145025320 is 235205414.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1990765924 + 2154259396 = 44618^2 + 46414^2 .

It is a super-2 number, since 2×4145025320² = 34362469806882204800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4145025320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 454001 + ... + 463040.

Almost surely, 2^4145025320 is an apocalyptic number.

4145025320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4145025320 is an abundant number, since it is smaller than the sum of its proper divisors (5263825600).

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

4145025320 is a wasteful number, since it uses less digits than its factorization.

4145025320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917165 (or 917161 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4145025320 is about 64381.8710507857. The cubic root of 4145025320 is about 1606.3582050075.

The spelling of 4145025320 in words is "four billion, one hundred forty-five million, twenty-five thousand, three hundred twenty".