6620228851400 has 48 divisors (see below), whose sum is σ = 15888549258240. Its totient is φ = 2562669230400.

The previous prime is 6620228851351. The next prime is 6620228851459. The reversal of 6620228851400 is 41588220266.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 533883224 + ... + 533895623.

It is an arithmetic number, because the mean of its divisors is an integer number (331011442880).

Almost surely, 2^{6620228851400} is an apocalyptic number.

It is an amenable number.

6620228851400 is an abundant number, since it is smaller than the sum of its proper divisors (9268320406840).

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

6620228851400 is a wasteful number, since it uses less digits than its factorization.

6620228851400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067778894 (or 1067778885 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 44.

The spelling of 6620228851400 in words is "six trillion, six hundred twenty billion, two hundred twenty-eight million, eight hundred fifty-one thousand, four hundred".