4255625548778 has 32 divisors (see below), whose sum is σ = 6851590966800. Its totient is φ = 1975303655424.

The previous prime is 4255625548771. The next prime is 4255625548793. The reversal of 4255625548778 is 8778455265524.

It can be written as a sum of positive squares in 8 ways, for example, as 1739014526089 + 2516611022689 = 1318717^2 + 1586383^2 .

It is a super-2 number, since 2×4255625548778² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255625548771) 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, 481625 + ... + 2956892.

Almost surely, 2^{4255625548778} is an apocalyptic number.

4255625548778 is a deficient number, since it is larger than the sum of its proper divisors (2595965418022).

4255625548778 is a wasteful number, since it uses less digits than its factorization.

4255625548778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439034.

The product of its digits is 752640000, while the sum is 68.

The spelling of 4255625548778 in words is "four trillion, two hundred fifty-five billion, six hundred twenty-five million, five hundred forty-eight thousand, seven hundred seventy-eight".