2154520448 has 32 divisors (see below), whose sum is σ = 4295577000. Its totient is φ = 1076414976.

The previous prime is 2154520411. The next prime is 2154520453. The reversal of 2154520448 is 8440254512.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177023 + ... + 188801.

Almost surely, 2^2154520448 is an apocalyptic number.

It is an amenable number.

2154520448 is a deficient number, since it is larger than the sum of its proper divisors (2141056552).

2154520448 is a wasteful number, since it uses less digits than its factorization.

2154520448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13222 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The square root of 2154520448 is about 46416.8121266422. The cubic root of 2154520448 is about 1291.5668016379.

The spelling of 2154520448 in words is "two billion, one hundred fifty-four million, five hundred twenty thousand, four hundred forty-eight".