2001534464 has 20 divisors (see below), whose sum is σ = 3999160704. Its totient is φ = 1000766976.

The previous prime is 2001534427. The next prime is 2001534481. The reversal of 2001534464 is 4644351002.

It is a super-2 number, since 2×2001534464² = 8012280421159534592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1954112 + ... + 1955135.

Almost surely, 2^2001534464 is an apocalyptic number.

It is an amenable number.

2001534464 is a deficient number, since it is larger than the sum of its proper divisors (1997626240).

2001534464 is an frugal number, since it uses more digits than its factorization.

2001534464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909265 (or 3909249 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 2001534464 is about 44738.5120896974. The cubic root of 2001534464 is about 1260.2431847738.

Adding to 2001534464 its reverse (4644351002), we get a palindrome (6645885466).

The spelling of 2001534464 in words is "two billion, one million, five hundred thirty-four thousand, four hundred sixty-four".