4625781815680 has 64 divisors (see below), whose sum is σ = 11058907014000. Its totient is φ = 1850246240256.

The previous prime is 4625781815663. The next prime is 4625781815717. The reversal of 4625781815680 is 865181875264.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 20173354 + ... + 20401366.

Almost surely, 2^{4625781815680} is an apocalyptic number.

4625781815680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4625781815680 is an abundant number, since it is smaller than the sum of its proper divisors (6433125198320).

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

4625781815680 is a wasteful number, since it uses less digits than its factorization.

4625781815680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259731 (or 259719 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 61.

The spelling of 4625781815680 in words is "four trillion, six hundred twenty-five billion, seven hundred eighty-one million, eight hundred fifteen thousand, six hundred eighty".