1010443642 has 8 divisors (see below), whose sum is σ = 1632255156. Its totient is φ = 466358592.

The previous prime is 1010443639. The next prime is 1010443673. The reversal of 1010443642 is 2463440101.

It can be written as a sum of positive squares in 2 ways, for example, as 999887641 + 10556001 = 31621^2 + 3249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19431583 + ... + 19431634.

Almost surely, 2^1010443642 is an apocalyptic number.

1010443642 is a deficient number, since it is larger than the sum of its proper divisors (621811514).

1010443642 is a wasteful number, since it uses less digits than its factorization.

1010443642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38863232.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1010443642 is about 31787.4761816663. The cubic root of 1010443642 is about 1003.4691649771.

Adding to 1010443642 its reverse (2463440101), we get a palindrome (3473883743).

The spelling of 1010443642 in words is "one billion, ten million, four hundred forty-three thousand, six hundred forty-two".