4959451448520 has 32 divisors (see below), whose sum is σ = 14878354345920. Its totient is φ = 1322520386240.

The previous prime is 4959451448507. The next prime is 4959451448551. The reversal of 4959451448520 is 258441549594.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20664380916 + ... + 20664381155.

It is an arithmetic number, because the mean of its divisors is an integer number (464948573310).

Almost surely, 2^{4959451448520} is an apocalyptic number.

4959451448520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4959451448520 is an abundant number, since it is smaller than the sum of its proper divisors (9918902897400).

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

4959451448520 is a wasteful number, since it uses less digits than its factorization.

4959451448520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41328762085 (or 41328762081 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 4959451448520 in words is "four trillion, nine hundred fifty-nine billion, four hundred fifty-one million, four hundred forty-eight thousand, five hundred twenty".