4261770618 has 32 divisors (see below), whose sum is σ = 9767768064. Its totient is φ = 1214326512.

The previous prime is 4261770599. The next prime is 4261770631. The reversal of 4261770618 is 8160771624.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 4261770618.

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 15 ways as a sum of consecutive naturals, for example, 122830 + ... + 153657.

It is an arithmetic number, because the mean of its divisors is an integer number (305242752).

Almost surely, 2^4261770618 is an apocalyptic number.

4261770618 is an abundant number, since it is smaller than the sum of its proper divisors (5505997446).

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

4261770618 is a wasteful number, since it uses less digits than its factorization.

4261770618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276866.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 4261770618 is about 65282.2381509703. The cubic root of 4261770618 is about 1621.2999039295.

The spelling of 4261770618 in words is "four billion, two hundred sixty-one million, seven hundred seventy thousand, six hundred eighteen".