2061404454 has 32 divisors (see below), whose sum is σ = 4167313920. Its totient is φ = 679757792.

The previous prime is 2061404381. The next prime is 2061404459. The reversal of 2061404454 is 4544041602.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061404459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206707 + ... + 216449.

It is an arithmetic number, because the mean of its divisors is an integer number (130228560).

Almost surely, 2^2061404454 is an apocalyptic number.

2061404454 is an abundant number, since it is smaller than the sum of its proper divisors (2105909466).

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

2061404454 is a wasteful number, since it uses less digits than its factorization.

2061404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10124.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2061404454 is about 45402.6921448497. The cubic root of 2061404454 is about 1272.6854235272.

The spelling of 2061404454 in words is "two billion, sixty-one million, four hundred four thousand, four hundred fifty-four".