1355040042 has 8 divisors (see below), whose sum is σ = 2710080096. Its totient is φ = 451680012.

The previous prime is 1355040023. The next prime is 1355040059. The reversal of 1355040042 is 2400405531.

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

1355040042 is an admirable number.

It is a super-2 number, since 2×1355040042² = 3672267030846723528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1355039994 and 1355040021.

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 3 ways as a sum of consecutive naturals, for example, 112919998 + ... + 112920009.

It is an arithmetic number, because the mean of its divisors is an integer number (338760012).

Almost surely, 2^1355040042 is an apocalyptic number.

1355040042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1355040042 is a wasteful number, since it uses less digits than its factorization.

1355040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225840012.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 1355040042 is about 36810.8685309108. The cubic root of 1355040042 is about 1106.5831247520.

Adding to 1355040042 its reverse (2400405531), we get a palindrome (3755445573).

The spelling of 1355040042 in words is "one billion, three hundred fifty-five million, forty thousand, forty-two".