2519448066 has 24 divisors (see below), whose sum is σ = 5574950784. Its totient is φ = 821947320.

The previous prime is 2519448049. The next prime is 2519448077. The reversal of 2519448066 is 6608449152.

2519448066 is a `hidden beast` number, since 25 + 1 + 94 + 480 + 66 = 666.

It is a super-2 number, since 2×2519448066² = 12695237114542280712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1488190 + ... + 1489881.

It is an arithmetic number, because the mean of its divisors is an integer number (232289616).

Almost surely, 2^2519448066 is an apocalyptic number.

2519448066 is an abundant number, since it is smaller than the sum of its proper divisors (3055502718).

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

2519448066 is a wasteful number, since it uses less digits than its factorization.

2519448066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2978126 (or 2978123 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2519448066 is about 50194.1038967726. The cubic root of 2519448066 is about 1360.7190664715.

The spelling of 2519448066 in words is "two billion, five hundred nineteen million, four hundred forty-eight thousand, sixty-six".