1190400715442 has 4 divisors (see below), whose sum is σ = 1785601073166. Its totient is φ = 595200357720.

The previous prime is 1190400715391. The next prime is 1190400715451. The reversal of 1190400715442 is 2445170040911.

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., 986468090521 + 203932624921 = 993211^2 + 451589^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1190400715396 and 1190400715405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 297600178859 + ... + 297600178862.

Almost surely, 2^{1190400715442} is an apocalyptic number.

1190400715442 is a deficient number, since it is larger than the sum of its proper divisors (595200357724).

1190400715442 is an equidigital number, since it uses as much as digits as its factorization.

1190400715442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595200357723.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 1190400715442 in words is "one trillion, one hundred ninety billion, four hundred million, seven hundred fifteen thousand, four hundred forty-two".