2554028197128 has 72 divisors (see below), whose sum is σ = 7163907541050. Its totient is φ = 821986066944.

The previous prime is 2554028197117. The next prime is 2554028197139. The reversal of 2554028197128 is 8217918204552.

It is a happy number.

2554028197128 is a `hidden beast` number, since 2 + 5 + 540 + 2 + 8 + 1 + 9 + 71 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (2554028197117) and next prime (2554028197139).

It can be written as a sum of positive squares in 3 ways, for example, as 2217305639844 + 336722557284 = 1489062^2 + 580278^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21028993 + ... + 21150096.

Almost surely, 2^{2554028197128} is an apocalyptic number.

It is an amenable number.

2554028197128 is an abundant number, since it is smaller than the sum of its proper divisors (4609879343922).

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

2554028197128 is a wasteful number, since it uses less digits than its factorization.

2554028197128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42179159 (or 42179123 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The spelling of 2554028197128 in words is "two trillion, five hundred fifty-four billion, twenty-eight million, one hundred ninety-seven thousand, one hundred twenty-eight".