2001440133434 has 32 divisors (see below), whose sum is σ = 3538337126400. Its totient is φ = 831345364080.

The previous prime is 2001440133431. The next prime is 2001440133439. The reversal of 2001440133434 is 4343310441002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001440133397 and 2001440133406.

It is not an unprimeable number, because it can be changed into a prime (2001440133431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17005094 + ... + 17122385.

It is an arithmetic number, because the mean of its divisors is an integer number (110573035200).

Almost surely, 2^{2001440133434} is an apocalyptic number.

2001440133434 is a deficient number, since it is larger than the sum of its proper divisors (1536896992966).

2001440133434 is a wasteful number, since it uses less digits than its factorization.

2001440133434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34127618.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 2001440133434 its reverse (4343310441002), we get a palindrome (6344750574436).

The spelling of 2001440133434 in words is "two trillion, one billion, four hundred forty million, one hundred thirty-three thousand, four hundred thirty-four".