2028928454 has 8 divisors (see below), whose sum is σ = 3478163088. Its totient is φ = 869540760.

The previous prime is 2028928441. The next prime is 2028928459. The reversal of 2028928454 is 4548298202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028928459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72461717 + ... + 72461744.

It is an arithmetic number, because the mean of its divisors is an integer number (434770386).

Almost surely, 2^2028928454 is an apocalyptic number.

2028928454 is a deficient number, since it is larger than the sum of its proper divisors (1449234634).

2028928454 is a wasteful number, since it uses less digits than its factorization.

2028928454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144923470.

The product of its (nonzero) digits is 368640, while the sum is 44.

The square root of 2028928454 is about 45043.6283396442. The cubic root of 2028928454 is about 1265.9665895829.

The spelling of 2028928454 in words is "two billion, twenty-eight million, nine hundred twenty-eight thousand, four hundred fifty-four".