2190730254 has 16 divisors (see below), whose sum is σ = 4474683648. Its totient is φ = 714706232.

The previous prime is 2190730253. The next prime is 2190730273. The reversal of 2190730254 is 4520370912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2190730253) 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 7 ways as a sum of consecutive naturals, for example, 3883992 + ... + 3884555.

It is an arithmetic number, because the mean of its divisors is an integer number (279667728).

Almost surely, 2^2190730254 is an apocalyptic number.

2190730254 is an abundant number, since it is smaller than the sum of its proper divisors (2283953394).

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

2190730254 is a wasteful number, since it uses less digits than its factorization.

2190730254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768599.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2190730254 is about 46805.2374633438. The cubic root of 2190730254 is about 1298.7621854785.

The spelling of 2190730254 in words is "two billion, one hundred ninety million, seven hundred thirty thousand, two hundred fifty-four".