2182000400 has 60 divisors (see below), whose sum is σ = 5316159744. Its totient is φ = 860496000.

The previous prime is 2182000393. The next prime is 2182000417. The reversal of 2182000400 is 40002812.

It is a super-2 number, since 2×2182000400² = 9522251491200320000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10016 + ... + 66815.

Almost surely, 2^2182000400 is an apocalyptic number.

2182000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2182000400 is an abundant number, since it is smaller than the sum of its proper divisors (3134159344).

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

2182000400 is a wasteful number, since it uses less digits than its factorization.

2182000400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76920 (or 76909 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2182000400 is about 46711.8871380723. The cubic root of 2182000400 is about 1297.0347404918.

The spelling of 2182000400 in words is "two billion, one hundred eighty-two million, four hundred", and thus it is an aban number.