4840820171520 has 144 divisors (see below), whose sum is σ = 16132559692032. Its totient is φ = 1234759905280.

The previous prime is 4840820171519. The next prime is 4840820171527. The reversal of 4840820171520 is 251710280484.

It is a super-2 number, since 2×4840820171520² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4840820171527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27316686 + ... + 27493325.

It is an arithmetic number, because the mean of its divisors is an integer number (112031664528).

Almost surely, 2^{4840820171520} is an apocalyptic number.

4840820171520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4840820171520 is an abundant number, since it is smaller than the sum of its proper divisors (11291739520512).

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

4840820171520 is a wasteful number, since it uses less digits than its factorization.

4840820171520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54810058 (or 54810044 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 4840820171520 in words is "four trillion, eight hundred forty billion, eight hundred twenty million, one hundred seventy-one thousand, five hundred twenty".