2192145780 has 192 divisors, whose sum is σ = 6954393600. Its totient is φ = 511142400.

The previous prime is 2192145763. The next prime is 2192145793. The reversal of 2192145780 is 875412912.

2192145780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6281046 + ... + 6281394.

It is an arithmetic number, because the mean of its divisors is an integer number (36220800).

Almost surely, 2^2192145780 is an apocalyptic number.

2192145780 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 2192145780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3477196800).

2192145780 is an abundant number, since it is smaller than the sum of its proper divisors (4762247820).

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

2192145780 is a wasteful number, since it uses less digits than its factorization.

2192145780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710 (or 708 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2192145780 is about 46820.3564702363. The cubic root of 2192145780 is about 1299.0418541440.

The spelling of 2192145780 in words is "two billion, one hundred ninety-two million, one hundred forty-five thousand, seven hundred eighty".