2554434378 has 24 divisors (see below), whose sum is σ = 5536768068. Its totient is φ = 851145792.

The previous prime is 2554434367. The next prime is 2554434383. The reversal of 2554434378 is 8734344552.

2554434378 is a `hidden beast` number, since 2 + 5 + 544 + 34 + 3 + 78 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2362251609 + 192182769 = 48603^2 + 13863^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22126 + ... + 74822.

Almost surely, 2^2554434378 is an apocalyptic number.

2554434378 is an abundant number, since it is smaller than the sum of its proper divisors (2982333690).

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

2554434378 is a wasteful number, since it uses less digits than its factorization.

2554434378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55398 (or 55395 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 45.

The square root of 2554434378 is about 50541.4125049944. The cubic root of 2554434378 is about 1366.9886755678.

The spelling of 2554434378 in words is "two billion, five hundred fifty-four million, four hundred thirty-four thousand, three hundred seventy-eight".