1355442442 has 8 divisors (see below), whose sum is σ = 2033709696. Its totient is φ = 677539212.

The previous prime is 1355442427. The next prime is 1355442443. The reversal of 1355442442 is 2442445531.

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

It is a junction number, because it is equal to n+sod(n) for n = 1355442398 and 1355442407.

It is not an unprimeable number, because it can be changed into a prime (1355442443) 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, 81498 + ... + 96709.

It is an arithmetic number, because the mean of its divisors is an integer number (254213712).

Almost surely, 2^1355442442 is an apocalyptic number.

1355442442 is a deficient number, since it is larger than the sum of its proper divisors (678267254).

1355442442 is a wasteful number, since it uses less digits than its factorization.

1355442442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182012.

The product of its digits is 76800, while the sum is 34.

The square root of 1355442442 is about 36816.3339022233. Note that the first 3 decimals coincide. The cubic root of 1355442442 is about 1106.6926528752.

Adding to 1355442442 its reverse (2442445531), we get a palindrome (3797887973).

The spelling of 1355442442 in words is "one billion, three hundred fifty-five million, four hundred forty-two thousand, four hundred forty-two".