1244568066 has 32 divisors (see below), whose sum is σ = 2892948480. Its totient is φ = 349563216.

The previous prime is 1244568047. The next prime is 1244568071. The reversal of 1244568066 is 6608654421.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248646 + ... + 253601.

It is an arithmetic number, because the mean of its divisors is an integer number (90404640).

Almost surely, 2^1244568066 is an apocalyptic number.

1244568066 is an abundant number, since it is smaller than the sum of its proper divisors (1648380414).

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

1244568066 is a wasteful number, since it uses less digits than its factorization.

1244568066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502318.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 1244568066 is about 35278.4362748691. The cubic root of 1244568066 is about 1075.6547130559.

The spelling of 1244568066 in words is "one billion, two hundred forty-four million, five hundred sixty-eight thousand, sixty-six".