4385161250 has 30 divisors (see below), whose sum is σ = 8223937029. Its totient is φ = 1753128000.

The previous prime is 4385161247. The next prime is 4385161321. The reversal of 4385161250 is 521615834.

It can be written as a sum of positive squares in 8 ways, for example, as 2714722609 + 1670438641 = 52103^2 + 40871^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=46825.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4385161250.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2340314 + ... + 2342186.

Almost surely, 2^4385161250 is an apocalyptic number.

4385161250 is a deficient number, since it is larger than the sum of its proper divisors (3838775779).

4385161250 is an frugal number, since it uses more digits than its factorization.

4385161250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3768 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 4385161250 is about 66220.5500581202. The cubic root of 4385161250 is about 1636.7983902584.

Multiplying 4385161250 by its product of nonzero digits (28800), we get a square (126292644000000 = 11238000²).

The spelling of 4385161250 in words is "four billion, three hundred eighty-five million, one hundred sixty-one thousand, two hundred fifty".