4685561280 has 336 divisors, whose sum is σ = 16582644000. Its totient is φ = 1213931520.

The previous prime is 4685561261. The next prime is 4685561297. The reversal of 4685561280 is 821655864.

4685561280 is a `hidden beast` number, since 4 + 6 + 8 + 5 + 561 + 2 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26176231 + ... + 26176409.

Almost surely, 2^4685561280 is an apocalyptic number.

4685561280 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 4685561280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8291322000).

4685561280 is an abundant number, since it is smaller than the sum of its proper divisors (11897082720).

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

4685561280 is a wasteful number, since it uses less digits than its factorization.

4685561280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 4685561280 is about 68451.1598148636. The cubic root of 4685561280 is about 1673.3516157358.

The spelling of 4685561280 in words is "four billion, six hundred eighty-five million, five hundred sixty-one thousand, two hundred eighty".