488781620 has 48 divisors (see below), whose sum is σ = 1088776080. Its totient is φ = 183681024.

The previous prime is 488781583. The next prime is 488781641. The reversal of 488781620 is 26187884.

It can be written as a sum of positive squares in 8 ways, for example, as 41628304 + 447153316 = 6452^2 + 21146^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274172 + ... + 275948.

It is an arithmetic number, because the mean of its divisors is an integer number (22682835).

Almost surely, 2^488781620 is an apocalyptic number.

It is an amenable number.

488781620 is an abundant number, since it is smaller than the sum of its proper divisors (599994460).

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

488781620 is a wasteful number, since it uses less digits than its factorization.

488781620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612 (or 2610 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The square root of 488781620 is about 22108.4060936106. The cubic root of 488781620 is about 787.7195464129.

The spelling of 488781620 in words is "four hundred eighty-eight million, seven hundred eighty-one thousand, six hundred twenty".