1032442778 has 4 divisors (see below), whose sum is σ = 1548664170. Its totient is φ = 516221388.

The previous prime is 1032442769. The next prime is 1032442781. The reversal of 1032442778 is 8772442301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 776346769 + 256096009 = 27863^2 + 16003^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258110693 + ... + 258110696.

Almost surely, 2^1032442778 is an apocalyptic number.

1032442778 is a deficient number, since it is larger than the sum of its proper divisors (516221392).

1032442778 is an equidigital number, since it uses as much as digits as its factorization.

1032442778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516221391.

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 1032442778 is about 32131.6476079270. The cubic root of 1032442778 is about 1010.6993744438.

The spelling of 1032442778 in words is "one billion, thirty-two million, four hundred forty-two thousand, seven hundred seventy-eight".