48439451520 has 160 divisors (see below), whose sum is σ = 172986212520. Its totient is φ = 12917173248.

The previous prime is 48439451491. The next prime is 48439451521. The reversal of 48439451520 is 2515493484.

48439451520 is a `hidden beast` number, since 4 + 8 + 43 + 94 + 515 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48439451521) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 415362 + ... + 519041.

Almost surely, 2^48439451520 is an apocalyptic number.

48439451520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

48439451520 is an abundant number, since it is smaller than the sum of its proper divisors (124546761000).

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

48439451520 is an equidigital number, since it uses as much as digits as its factorization.

48439451520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934434 (or 934413 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 48439451520 in words is "forty-eight billion, four hundred thirty-nine million, four hundred fifty-one thousand, five hundred twenty".