1066240272 has 40 divisors (see below), whose sum is σ = 2916482976. Its totient is φ = 334506496.

The previous prime is 1066240267. The next prime is 1066240283. The reversal of 1066240272 is 2720426601.

It is a super-2 number, since 2×1066240272² = 2273736635269267968, which contains 22 as substring.

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, 652518 + ... + 654149.

Almost surely, 2^1066240272 is an apocalyptic number.

1066240272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1066240272 is an abundant number, since it is smaller than the sum of its proper divisors (1850242704).

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

1066240272 is a wasteful number, since it uses less digits than its factorization.

1066240272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306695 (or 1306689 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 1066240272 is about 32653.3347760991. The cubic root of 1066240272 is about 1021.6097457732.

Adding to 1066240272 its reverse (2720426601), we get a palindrome (3786666873).

The spelling of 1066240272 in words is "one billion, sixty-six million, two hundred forty thousand, two hundred seventy-two".