1108646442 has 12 divisors (see below), whose sum is σ = 2402067330. Its totient is φ = 369548808.

The previous prime is 1108646431. The next prime is 1108646467. The reversal of 1108646442 is 2446468011.

It is a happy number.

1108646442 is a `hidden beast` number, since 1 + 1 + 0 + 8 + 6 + 4 + 644 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 806616801 + 302029641 = 28401^2 + 17379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1108646397 and 1108646406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30795717 + ... + 30795752.

Almost surely, 2^1108646442 is an apocalyptic number.

1108646442 is an abundant number, since it is smaller than the sum of its proper divisors (1293420888).

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

1108646442 is a wasteful number, since it uses less digits than its factorization.

1108646442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61591477 (or 61591474 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 1108646442 is about 33296.3427721424. The cubic root of 1108646442 is about 1034.9777716993.

The spelling of 1108646442 in words is "one billion, one hundred eight million, six hundred forty-six thousand, four hundred forty-two".