6650770400 has 36 divisors (see below), whose sum is σ = 16236195192. Its totient is φ = 2660307840.

The previous prime is 6650770381. The next prime is 6650770409. The reversal of 6650770400 is 40770566.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6650770409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4155932 + ... + 4157531.

It is an arithmetic number, because the mean of its divisors is an integer number (451005422).

Almost surely, 2^6650770400 is an apocalyptic number.

It is an amenable number.

6650770400 is an abundant number, since it is smaller than the sum of its proper divisors (9585424792).

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

6650770400 is a wasteful number, since it uses less digits than its factorization.

6650770400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8313483 (or 8313470 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 6650770400 is about 81552.2556401722. The cubic root of 6650770400 is about 1880.5749712607.

The spelling of 6650770400 in words is "six billion, six hundred fifty million, seven hundred seventy thousand, four hundred".