2154526344480 has 96 divisors (see below), whose sum is σ = 6791968520064. Its totient is φ = 574099255296.

The previous prime is 2154526344479. The next prime is 2154526344497. The reversal of 2154526344480 is 844436254512.

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

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096969 + ... + 2347848.

It is an arithmetic number, because the mean of its divisors is an integer number (70749672084).

Almost surely, 2^{2154526344480} is an apocalyptic number.

2154526344480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154526344480 is an abundant number, since it is smaller than the sum of its proper divisors (4637442175584).

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

2154526344480 is a wasteful number, since it uses less digits than its factorization.

2154526344480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446138 (or 3446130 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 48.

The spelling of 2154526344480 in words is "two trillion, one hundred fifty-four billion, five hundred twenty-six million, three hundred forty-four thousand, four hundred eighty".