2190470280 has 128 divisors (see below), whose sum is σ = 6654960000. Its totient is φ = 576755712.

The previous prime is 2190470273. The next prime is 2190470287. The reversal of 2190470280 is 820740912.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2190470273) and next prime (2190470287).

It is not an unprimeable number, because it can be changed into a prime (2190470287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4389471 + ... + 4389969.

It is an arithmetic number, because the mean of its divisors is an integer number (51991875).

Almost surely, 2^2190470280 is an apocalyptic number.

2190470280 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 2190470280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3327480000).

2190470280 is an abundant number, since it is smaller than the sum of its proper divisors (4464489720).

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

2190470280 is a wasteful number, since it uses less digits than its factorization.

2190470280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 2190470280 is about 46802.4601917463. The cubic root of 2190470280 is about 1298.7108087352.

The spelling of 2190470280 in words is "two billion, one hundred ninety million, four hundred seventy thousand, two hundred eighty".