2004450221554 has 32 divisors (see below), whose sum is σ = 3557657339712. Its totient is φ = 836603712000.

The previous prime is 2004450221551. The next prime is 2004450221561. The reversal of 2004450221554 is 4551220544002.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2004450221551) 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, 65344332 + ... + 65374999.

It is an arithmetic number, because the mean of its divisors is an integer number (111176791866).

Almost surely, 2^{2004450221554} is an apocalyptic number.

2004450221554 is a deficient number, since it is larger than the sum of its proper divisors (1553207118158).

2004450221554 is a wasteful number, since it uses less digits than its factorization.

2004450221554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130719402.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 2004450221554 its reverse (4551220544002), we get a palindrome (6555670765556).

The spelling of 2004450221554 in words is "two trillion, four billion, four hundred fifty million, two hundred twenty-one thousand, five hundred fifty-four".