2001262688 has 24 divisors (see below), whose sum is σ = 3946579560. Its totient is φ = 998956800.

The previous prime is 2001262687. The next prime is 2001262721. The reversal of 2001262688 is 8862621002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001262687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32798 + ... + 71261.

It is an arithmetic number, because the mean of its divisors is an integer number (164440815).

Almost surely, 2^2001262688 is an apocalyptic number.

It is an amenable number.

2001262688 is a deficient number, since it is larger than the sum of its proper divisors (1945316872).

2001262688 is a wasteful number, since it uses less digits than its factorization.

2001262688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104670 (or 104662 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 2001262688 is about 44735.4746034956. The cubic root of 2001262688 is about 1260.1861419797.

The spelling of 2001262688 in words is "two billion, one million, two hundred sixty-two thousand, six hundred eighty-eight".