2190776452 has 24 divisors (see below), whose sum is σ = 3986004960. Its totient is φ = 1052715840.

The previous prime is 2190776449. The next prime is 2190776491. The reversal of 2190776452 is 2546770912.

It is a junction number, because it is equal to n+sod(n) for n = 2190776399 and 2190776408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88702 + ... + 110677.

It is an arithmetic number, because the mean of its divisors is an integer number (166083540).

Almost surely, 2^2190776452 is an apocalyptic number.

It is an amenable number.

2190776452 is a deficient number, since it is larger than the sum of its proper divisors (1795228508).

2190776452 is a wasteful number, since it uses less digits than its factorization.

2190776452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199491 (or 199489 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 2190776452 is about 46805.7309738882. The cubic root of 2190776452 is about 1298.7713148230.

The spelling of 2190776452 in words is "two billion, one hundred ninety million, seven hundred seventy-six thousand, four hundred fifty-two".