2195395680 has 96 divisors (see below), whose sum is σ = 7046059104. Its totient is φ = 574386176.

The previous prime is 2195395639. The next prime is 2195395681. The reversal of 2195395680 is 865935912.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195395681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17709 + ... + 68588.

It is an arithmetic number, because the mean of its divisors is an integer number (73396449).

Almost surely, 2^2195395680 is an apocalyptic number.

2195395680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2195395680 is an abundant number, since it is smaller than the sum of its proper divisors (4850663424).

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

2195395680 is a wasteful number, since it uses less digits than its factorization.

2195395680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86368 (or 86360 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The square root of 2195395680 is about 46855.0496745015. The cubic root of 2195395680 is about 1299.6834890203.

The spelling of 2195395680 in words is "two billion, one hundred ninety-five million, three hundred ninety-five thousand, six hundred eighty".