1042494958866 has 16 divisors (see below), whose sum is σ = 2105633383488. Its totient is φ = 344057742000.

The previous prime is 1042494958861. The next prime is 1042494958867. The reversal of 1042494958866 is 6688594942401.

It is a happy number.

1042494958866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1042494958866² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042494958797 and 1042494958806.

It is not an unprimeable number, because it can be changed into a prime (1042494958861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860143750 + ... + 860144961.

It is an arithmetic number, because the mean of its divisors is an integer number (131602086468).

Almost surely, 2^{1042494958866} is an apocalyptic number.

1042494958866 is an abundant number, since it is smaller than the sum of its proper divisors (1063138424622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042494958866 is a wasteful number, since it uses less digits than its factorization.

1042494958866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720288817.

The product of its (nonzero) digits is 119439360, while the sum is 66.

The spelling of 1042494958866 in words is "one trillion, forty-two billion, four hundred ninety-four million, nine hundred fifty-eight thousand, eight hundred sixty-six".