1090868463842 has 32 divisors (see below), whose sum is σ = 1660555512000. Its totient is φ = 537412449600.

The previous prime is 1090868463829. The next prime is 1090868463851. The reversal of 1090868463842 is 2483648680901.

It is a happy number.

It is a super-2 number, since 2×1090868463842² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130031384 + ... + 130039772.

It is an arithmetic number, because the mean of its divisors is an integer number (51892359750).

Almost surely, 2^{1090868463842} is an apocalyptic number.

1090868463842 is a deficient number, since it is larger than the sum of its proper divisors (569687048158).

1090868463842 is a wasteful number, since it uses less digits than its factorization.

1090868463842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12002.

The product of its (nonzero) digits is 15925248, while the sum is 59.

The spelling of 1090868463842 in words is "one trillion, ninety billion, eight hundred sixty-eight million, four hundred sixty-three thousand, eight hundred forty-two".