2001454433450 has 48 divisors (see below), whose sum is σ = 3736986549696. Its totient is φ = 797512243200.

The previous prime is 2001454433401. The next prime is 2001454433483. The reversal of 2001454433450 is 543344541002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001454433450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51245930 + ... + 51284970.

It is an arithmetic number, because the mean of its divisors is an integer number (77853886452).

Almost surely, 2^{2001454433450} is an apocalyptic number.

2001454433450 is a deficient number, since it is larger than the sum of its proper divisors (1735532116246).

2001454433450 is a wasteful number, since it uses less digits than its factorization.

2001454433450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42959 (or 42954 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 2001454433450 its reverse (543344541002), we get a palindrome (2544798974452).

The spelling of 2001454433450 in words is "two trillion, one billion, four hundred fifty-four million, four hundred thirty-three thousand, four hundred fifty".