128040000554 has 8 divisors (see below), whose sum is σ = 192068997120. Its totient is φ = 64017001516.

The previous prime is 128040000553. The next prime is 128040000601. The reversal of 128040000554 is 455000040821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (128040000553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1445624 + ... + 1531635.

It is an arithmetic number, because the mean of its divisors is an integer number (24008624640).

Almost surely, 2^128040000554 is an apocalyptic number.

128040000554 is a deficient number, since it is larger than the sum of its proper divisors (64028996566).

128040000554 is a wasteful number, since it uses less digits than its factorization.

128040000554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998764.

The product of its (nonzero) digits is 6400, while the sum is 29.

The spelling of 128040000554 in words is "one hundred twenty-eight billion, forty million, five hundred fifty-four", and thus it is an aban number.