2190456324 has 192 divisors, whose sum is σ = 7041323520. Its totient is φ = 574525440.

The previous prime is 2190456299. The next prime is 2190456329. The reversal of 2190456324 is 4236540912.

It is a happy number.

2190456324 is a `hidden beast` number, since 2 + 1 + 90 + 4 + 563 + 2 + 4 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (2190456329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 524854 + ... + 529010.

It is an arithmetic number, because the mean of its divisors is an integer number (36673560).

Almost surely, 2^2190456324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2190456324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3520661760).

2190456324 is an abundant number, since it is smaller than the sum of its proper divisors (4850867196).

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

2190456324 is a wasteful number, since it uses less digits than its factorization.

2190456324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4235 (or 4227 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2190456324 is about 46802.3110967824. The cubic root of 2190456324 is about 1298.7080505990.

The spelling of 2190456324 in words is "two billion, one hundred ninety million, four hundred fifty-six thousand, three hundred twenty-four".