2556355450 has 96 divisors (see below), whose sum is σ = 5548627008. Its totient is φ = 865920000.

The previous prime is 2556355421. The next prime is 2556355457. The reversal of 2556355450 is 545536552.

It is a happy number.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2556355457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 942997 + ... + 945703.

It is an arithmetic number, because the mean of its divisors is an integer number (57798198).

Almost surely, 2^2556355450 is an apocalyptic number.

2556355450 is an abundant number, since it is smaller than the sum of its proper divisors (2992271558).

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

2556355450 is a wasteful number, since it uses less digits than its factorization.

2556355450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848 (or 2843 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The square root of 2556355450 is about 50560.4138630213. The cubic root of 2556355450 is about 1367.3312726932.

The spelling of 2556355450 in words is "two billion, five hundred fifty-six million, three hundred fifty-five thousand, four hundred fifty".