2193454080 has 528 divisors, whose sum is σ = 8261757504. Its totient is φ = 557383680.

The previous prime is 2193454079. The next prime is 2193454093. The reversal of 2193454080 is 804543912.

2193454080 is a `hidden beast` number, since 2 + 1 + 9 + 34 + 540 + 80 = 666.

It is a super-2 number, since 2×2193454080² = 9622481602137292800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 51010539 + ... + 51010581.

It is an arithmetic number, because the mean of its divisors is an integer number (15647268).

Almost surely, 2^2193454080 is an apocalyptic number.

2193454080 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 2193454080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4130878752).

2193454080 is an abundant number, since it is smaller than the sum of its proper divisors (6068303424).

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

2193454080 is an equidigital number, since it uses as much as digits as its factorization.

2193454080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 2193454080 is about 46834.3258732311. The cubic root of 2193454080 is about 1299.3002308882.

Adding to 2193454080 its reverse (804543912), we get a palindrome (2997997992).

The spelling of 2193454080 in words is "two billion, one hundred ninety-three million, four hundred fifty-four thousand, eighty".