2195464128 has 168 divisors, whose sum is σ = 6862974336. Its totient is φ = 614016000.

The previous prime is 2195464127. The next prime is 2195464151. The reversal of 2195464128 is 8214645912.

It is a self number, because there is not a number n which added to its sum of digits gives 2195464128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2195464121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353853 + ... + 360003.

Almost surely, 2^2195464128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195464128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3431487168).

2195464128 is an abundant number, since it is smaller than the sum of its proper divisors (4667510208).

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

2195464128 is a wasteful number, since it uses less digits than its factorization.

2195464128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6203 (or 6180 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The square root of 2195464128 is about 46855.7800916813. The cubic root of 2195464128 is about 1299.6969960480.

The spelling of 2195464128 in words is "two billion, one hundred ninety-five million, four hundred sixty-four thousand, one hundred twenty-eight".