2001114456 has 48 divisors (see below), whose sum is σ = 5498938200. Its totient is φ = 606397440.

The previous prime is 2001114433. The next prime is 2001114469. The reversal of 2001114456 is 6544111002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341641 + ... + 347448.

Almost surely, 2^2001114456 is an apocalyptic number.

It is an amenable number.

2001114456 is an abundant number, since it is smaller than the sum of its proper divisors (3497823744).

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

2001114456 is a wasteful number, since it uses less digits than its factorization.

2001114456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689120 (or 689105 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2001114456 is about 44733.8178115841. The cubic root of 2001114456 is about 1260.1550275362.

Adding to 2001114456 its reverse (6544111002), we get a palindrome (8545225458).

The spelling of 2001114456 in words is "two billion, one million, one hundred fourteen thousand, four hundred fifty-six".