1042452666 has 40 divisors (see below), whose sum is σ = 2338310964. Its totient is φ = 347120640.

The previous prime is 1042452623. The next prime is 1042452673. The reversal of 1042452666 is 6662542401.

It can be written as a sum of positive squares in 2 ways, for example, as 1038708441 + 3744225 = 32229^2 + 1935^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1042452666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 183996 + ... + 189576.

Almost surely, 2^1042452666 is an apocalyptic number.

1042452666 is an abundant number, since it is smaller than the sum of its proper divisors (1295858298).

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

1042452666 is a wasteful number, since it uses less digits than its factorization.

1042452666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748 (or 6739 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 1042452666 is about 32287.0355715727. The cubic root of 1042452666 is about 1013.9552341849.

The spelling of 1042452666 in words is "one billion, forty-two million, four hundred fifty-two thousand, six hundred sixty-six".