1018429442 has 8 divisors (see below), whose sum is σ = 1536084732. Its totient is φ = 506401200.

The previous prime is 1018429441. The next prime is 1018429457. The reversal of 1018429442 is 2449248101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 592873801 + 425555641 = 24349^2 + 20629^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1018429441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406309 + ... + 1407032.

Almost surely, 2^1018429442 is an apocalyptic number.

1018429442 is a deficient number, since it is larger than the sum of its proper divisors (517655290).

1018429442 is a wasteful number, since it uses less digits than its factorization.

1018429442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813524.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 1018429442 is about 31912.8413338581. The cubic root of 1018429442 is about 1006.1057907763.

The spelling of 1018429442 in words is "one billion, eighteen million, four hundred twenty-nine thousand, four hundred forty-two".