4851555694480 has 160 divisors (see below), whose sum is σ = 12342020595840. Its totient is φ = 1758946775040.

The previous prime is 4851555694459. The next prime is 4851555694481. The reversal of 4851555694480 is 844965551584.

It is not an unprimeable number, because it can be changed into a prime (4851555694481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 442130274 + ... + 442141246.

It is an arithmetic number, because the mean of its divisors is an integer number (77137628724).

Almost surely, 2^{4851555694480} is an apocalyptic number.

4851555694480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4851555694480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6171010297920).

4851555694480 is an abundant number, since it is smaller than the sum of its proper divisors (7490464901360).

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

4851555694480 is a wasteful number, since it uses less digits than its factorization.

4851555694480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12449 (or 12443 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 64.

The spelling of 4851555694480 in words is "four trillion, eight hundred fifty-one billion, five hundred fifty-five million, six hundred ninety-four thousand, four hundred eighty".