128274051456 has 96 divisors (see below), whose sum is σ = 385170804720. Its totient is φ = 40898964480.

The previous prime is 128274051431. The next prime is 128274051467. The reversal of 128274051456 is 654150472821.

128274051456 is a `hidden beast` number, since 1 + 2 + 82 + 7 + 4 + 0 + 514 + 56 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent 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, 2394135 + ... + 2447126.

Almost surely, 2^128274051456 is an apocalyptic number.

128274051456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

128274051456 is an abundant number, since it is smaller than the sum of its proper divisors (256896753264).

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

128274051456 is a wasteful number, since it uses less digits than its factorization.

128274051456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841304 (or 4841289 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 128274051456 in words is "one hundred twenty-eight billion, two hundred seventy-four million, fifty-one thousand, four hundred fifty-six".