2554628478 has 16 divisors (see below), whose sum is σ = 5109765120. Its totient is φ = 851458136.

The previous prime is 2554628477. The next prime is 2554628521. The reversal of 2554628478 is 8748264552.

It is a super-2 number, since 2×2554628478² = 13052253321217192968, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2554628478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2554628477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85603 + ... + 111521.

It is an arithmetic number, because the mean of its divisors is an integer number (319360320).

Almost surely, 2^2554628478 is an apocalyptic number.

2554628478 is an abundant number, since it is smaller than the sum of its proper divisors (2555136642).

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

2554628478 is a wasteful number, since it uses less digits than its factorization.

2554628478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42351.

The product of its digits is 4300800, while the sum is 51.

The square root of 2554628478 is about 50543.3326760316. The cubic root of 2554628478 is about 1367.0232984682.

The spelling of 2554628478 in words is "two billion, five hundred fifty-four million, six hundred twenty-eight thousand, four hundred seventy-eight".