2001571392 has 28 divisors (see below), whose sum is σ = 5295824816. Its totient is φ = 667190400.

The previous prime is 2001571367. The next prime is 2001571423. The reversal of 2001571392 is 2931751002.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5212234 + ... + 5212617.

Almost surely, 2^2001571392 is an apocalyptic number.

It is an amenable number.

2001571392 is an abundant number, since it is smaller than the sum of its proper divisors (3294253424).

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

2001571392 is a wasteful number, since it uses less digits than its factorization.

2001571392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10424866 (or 10424856 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 2001571392 is about 44738.9247970936. The cubic root of 2001571392 is about 1260.2509351565.

The spelling of 2001571392 in words is "two billion, one million, five hundred seventy-one thousand, three hundred ninety-two".