4528778778254 has 32 divisors (see below), whose sum is σ = 7434307754496. Its totient is φ = 2060714815360.

The previous prime is 4528778778163. The next prime is 4528778778283.

It is a happy number.

4528778778254 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16939832 + ... + 17205099.

It is an arithmetic number, because the mean of its divisors is an integer number (232322117328).

Almost surely, 2^{4528778778254} is an apocalyptic number.

4528778778254 is a deficient number, since it is larger than the sum of its proper divisors (2905528976242).

4528778778254 is a wasteful number, since it uses less digits than its factorization.

4528778778254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34145080.

The product of its digits is 1966899200, while the sum is 74.

The spelling of 4528778778254 in words is "four trillion, five hundred twenty-eight billion, seven hundred seventy-eight million, seven hundred seventy-eight thousand, two hundred fifty-four".