2095478840 has 256 divisors, whose sum is σ = 6265728000. Its totient is φ = 612126720.

The previous prime is 2095478813. The next prime is 2095478857. The reversal of 2095478840 is 488745902.

It is a happy number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2835191 + ... + 2835929.

It is an arithmetic number, because the mean of its divisors is an integer number (24475500).

Almost surely, 2^2095478840 is an apocalyptic number.

2095478840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2095478840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3132864000).

2095478840 is an abundant number, since it is smaller than the sum of its proper divisors (4170249160).

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

2095478840 is a wasteful number, since it uses less digits than its factorization.

2095478840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 2095478840 is about 45776.4004701112. The cubic root of 2095478840 is about 1279.6595041585.

The spelling of 2095478840 in words is "two billion, ninety-five million, four hundred seventy-eight thousand, eight hundred forty".