1040534262566 has 8 divisors (see below), whose sum is σ = 1652613240600. Its totient is φ = 489663182368.

The previous prime is 1040534262557. The next prime is 1040534262613. The reversal of 1040534262566 is 6652624350401.

It is a happy number.

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

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 in 3 ways as a sum of consecutive naturals, for example, 15301974416 + ... + 15301974483.

It is an arithmetic number, because the mean of its divisors is an integer number (206576655075).

Almost surely, 2^{1040534262566} is an apocalyptic number.

1040534262566 is a deficient number, since it is larger than the sum of its proper divisors (612078978034).

1040534262566 is a wasteful number, since it uses less digits than its factorization.

1040534262566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30603948918.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 1040534262566 in words is "one trillion, forty billion, five hundred thirty-four million, two hundred sixty-two thousand, five hundred sixty-six".