1040199064956 has 36 divisors (see below), whose sum is σ = 2679003257112. Its totient is φ = 340190888544.

The previous prime is 1040199064951. The next prime is 1040199064963. The reversal of 1040199064956 is 6594609910401.

1040199064956 is a `hidden beast` number, since 1 + 0 + 401 + 9 + 90 + 64 + 95 + 6 = 666.

1040199064956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040199064951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272586946 + ... + 272590761.

It is an arithmetic number, because the mean of its divisors is an integer number (74416757142).

Almost surely, 2^{1040199064956} is an apocalyptic number.

It is an amenable number.

1040199064956 is an abundant number, since it is smaller than the sum of its proper divisors (1638804192156).

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

1040199064956 is a wasteful number, since it uses less digits than its factorization.

1040199064956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545177770 (or 545177765 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The spelling of 1040199064956 in words is "one trillion, forty billion, one hundred ninety-nine million, sixty-four thousand, nine hundred fifty-six".