4072666000 has 80 divisors (see below), whose sum is σ = 10605289968. Its totient is φ = 1503744000.

The previous prime is 4072665967. The next prime is 4072666001. The reversal of 4072666000 is 6662704.

It can be written as a sum of positive squares in 8 ways, for example, as 2874675456 + 1197990544 = 53616^2 + 34612^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (4072666001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52321 + ... + 104320.

Almost surely, 2^4072666000 is an apocalyptic number.

4072666000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4072666000 is an abundant number, since it is smaller than the sum of its proper divisors (6532623968).

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

4072666000 is a wasteful number, since it uses less digits than its factorization.

4072666000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156677 (or 156661 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 4072666000 is about 63817.4427566633. The cubic root of 4072666000 is about 1596.9559309501.

The spelling of 4072666000 in words is "four billion, seventy-two million, six hundred sixty-six thousand".