4805121540 has 48 divisors (see below), whose sum is σ = 13463638272. Its totient is φ = 1280480256.

The previous prime is 4805121523. The next prime is 4805121557. The reversal of 4805121540 is 451215084.

It is an interprime number because it is at equal distance from previous prime (4805121523) and next prime (4805121557).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4805121498 and 4805121507.

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 15 ways as a sum of consecutive naturals, for example, 62292 + ... + 116148.

It is an arithmetic number, because the mean of its divisors is an integer number (280492464).

Almost surely, 2^4805121540 is an apocalyptic number.

It is an amenable number.

4805121540 is an abundant number, since it is smaller than the sum of its proper divisors (8658516732).

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

4805121540 is a wasteful number, since it uses less digits than its factorization.

4805121540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55356 (or 55354 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 4805121540 is about 69318.9839798594. The cubic root of 4805121540 is about 1687.4650720891.

The spelling of 4805121540 in words is "four billion, eight hundred five million, one hundred twenty-one thousand, five hundred forty".