1190400715444 has 6 divisors (see below), whose sum is σ = 2083201252034. Its totient is φ = 595200357720.

The previous prime is 1190400715391. The next prime is 1190400715451. The reversal of 1190400715444 is 4445170040911.

It can be written as a sum of positive squares in only one way, i.e., 883637600400 + 306763115044 = 940020^2 + 553862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1190400715397 and 1190400715406.

It is a congruent number.

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, 148800089427 + ... + 148800089434.

Almost surely, 2^{1190400715444} is an apocalyptic number.

It is an amenable number.

1190400715444 is a deficient number, since it is larger than the sum of its proper divisors (892800536590).

1190400715444 is a wasteful number, since it uses less digits than its factorization.

1190400715444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297600178865 (or 297600178863 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 1190400715444 in words is "one trillion, one hundred ninety billion, four hundred million, seven hundred fifteen thousand, four hundred forty-four".