2147828080 has 40 divisors (see below), whose sum is σ = 5017406544. Its totient is φ = 855052800.

The previous prime is 2147828071. The next prime is 2147828107. The reversal of 2147828080 is 808287412.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2147828080² = 9226330922472972800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46741 + ... + 80500.

Almost surely, 2^2147828080 is an apocalyptic number.

2147828080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2147828080 is an abundant number, since it is smaller than the sum of its proper divisors (2869578464).

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

2147828080 is a wasteful number, since it uses less digits than its factorization.

2147828080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127465 (or 127459 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 2147828080 is about 46344.6661440127. Note that the first 3 decimals coincide. The cubic root of 2147828080 is about 1290.2281270328.

The spelling of 2147828080 in words is "two billion, one hundred forty-seven million, eight hundred twenty-eight thousand, eighty".