2001451382 has 16 divisors (see below), whose sum is σ = 3440417280. Its totient is φ = 855425448.

The previous prime is 2001451271. The next prime is 2001451399. The reversal of 2001451382 is 2831541002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189632 + ... + 199907.

It is an arithmetic number, because the mean of its divisors is an integer number (215026080).

Almost surely, 2^2001451382 is an apocalyptic number.

2001451382 is a deficient number, since it is larger than the sum of its proper divisors (1438965898).

2001451382 is a wasteful number, since it uses less digits than its factorization.

2001451382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389915.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2001451382 is about 44737.5835511933. The cubic root of 2001451382 is about 1260.2257473236.

Adding to 2001451382 its reverse (2831541002), we get a palindrome (4832992384).

The spelling of 2001451382 in words is "two billion, one million, four hundred fifty-one thousand, three hundred eighty-two".