1040562362666 has 4 divisors (see below), whose sum is σ = 1560843544002. Its totient is φ = 520281181332.

The previous prime is 1040562362647. The next prime is 1040562362713. The reversal of 1040562362666 is 6662632650401.

It is a happy number.

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., 564985239025 + 475577123641 = 751655^2 + 689621^2 .

It is a super-2 number, since 2×1040562362666² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1040562362666.

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, 260140590665 + ... + 260140590668.

Almost surely, 2^{1040562362666} is an apocalyptic number.

1040562362666 is a deficient number, since it is larger than the sum of its proper divisors (520281181336).

1040562362666 is an equidigital number, since it uses as much as digits as its factorization.

1040562362666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520281181335.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 1040562362666 in words is "one trillion, forty billion, five hundred sixty-two million, three hundred sixty-two thousand, six hundred sixty-six".