4012665330 has 128 divisors (see below), whose sum is σ = 10484121600. Its totient is φ = 979824384.

The previous prime is 4012665313. The next prime is 4012665337. The reversal of 4012665330 is 335662104.

It is a super-2 number, since 2×4012665330² = 32202966101168017800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (4012665337) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 2540481 + ... + 2542059.

It is an arithmetic number, because the mean of its divisors is an integer number (81907200).

Almost surely, 2^4012665330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012665330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5242060800).

4012665330 is an abundant number, since it is smaller than the sum of its proper divisors (6471456270).

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

4012665330 is a wasteful number, since it uses less digits than its factorization.

4012665330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 4012665330 is about 63345.6022940819. The cubic root of 4012665330 is about 1589.0746999476.

The spelling of 4012665330 in words is "four billion, twelve million, six hundred sixty-five thousand, three hundred thirty".