4649857225920 has 168 divisors, whose sum is σ = 16835338531440. Its totient is φ = 1174700759040.

The previous prime is 4649857225877. The next prime is 4649857225931. The reversal of 4649857225920 is 295227589464.

4649857225920 is a `hidden beast` number, since 4 + 6 + 4 + 9 + 8 + 572 + 2 + 59 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42433011 + ... + 42542450.

Almost surely, 2^{4649857225920} is an apocalyptic number.

4649857225920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4649857225920 is an abundant number, since it is smaller than the sum of its proper divisors (12185481305520).

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

4649857225920 is a wasteful number, since it uses less digits than its factorization.

4649857225920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84975503 (or 84975490 counting only the distinct ones).

The product of its (nonzero) digits is 87091200, while the sum is 63.

The spelling of 4649857225920 in words is "four trillion, six hundred forty-nine billion, eight hundred fifty-seven million, two hundred twenty-five thousand, nine hundred twenty".