4012512768 has 160 divisors (see below), whose sum is σ = 12957563520. Its totient is φ = 1215866880.

The previous prime is 4012512731. The next prime is 4012512787. The reversal of 4012512768 is 8672152104.

It is a super-2 number, since 2×4012512768² = 32200517426726043648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138871 + ... + 165257.

It is an arithmetic number, because the mean of its divisors is an integer number (80984772).

Almost surely, 2^4012512768 is an apocalyptic number.

4012512768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4012512768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6478781760).

4012512768 is an abundant number, since it is smaller than the sum of its proper divisors (8945050752).

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

4012512768 is a wasteful number, since it uses less digits than its factorization.

4012512768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26425 (or 26403 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 4012512768 is about 63344.3980790725. The cubic root of 4012512768 is about 1589.0545607578.

The spelling of 4012512768 in words is "four billion, twelve million, five hundred twelve thousand, seven hundred sixty-eight".