48618994464 has 36 divisors (see below), whose sum is σ = 138260266326. Its totient is φ = 16206331392.

The previous prime is 48618994409. The next prime is 48618994469. The reversal of 48618994464 is 46449981684.

48618994464 is a `hidden beast` number, since 4 + 8 + 6 + 1 + 89 + 94 + 464 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27062882064 + 21556112400 = 164508^2 + 146820^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (48618994469) 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 5 ways as a sum of consecutive naturals, for example, 84407689 + ... + 84408264.

Almost surely, 2^48618994464 is an apocalyptic number.

It is an amenable number.

48618994464 is an abundant number, since it is smaller than the sum of its proper divisors (89641271862).

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

48618994464 is a wasteful number, since it uses less digits than its factorization.

48618994464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168815969 (or 168815958 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

The spelling of 48618994464 in words is "forty-eight billion, six hundred eighteen million, nine hundred ninety-four thousand, four hundred sixty-four".