1043550566040 has 64 divisors (see below), whose sum is σ = 3143750745600. Its totient is φ = 277115791232.

The previous prime is 1043550565999. The next prime is 1043550566053. The reversal of 1043550566040 is 406650553401.

It is a self number, because there is not a number n which added to its sum of digits gives 1043550566040.

It is a congruent 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, 18164322 + ... + 18221681.

It is an arithmetic number, because the mean of its divisors is an integer number (49121105400).

Almost surely, 2^{1043550566040} is an apocalyptic number.

1043550566040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1043550566040 is an abundant number, since it is smaller than the sum of its proper divisors (2100200179560).

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

1043550566040 is a wasteful number, since it uses less digits than its factorization.

1043550566040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36386256 (or 36386252 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 1043550566040 in words is "one trillion, forty-three billion, five hundred fifty million, five hundred sixty-six thousand, forty".