1000043213040 has 80 divisors (see below), whose sum is σ = 3444593296800. Its totient is φ = 266678189568.

The previous prime is 1000043213027. The next prime is 1000043213047. The reversal of 1000043213040 is 403123400001.

1000043213040 is a `hidden beast` number, since 100 + 0 + 0 + 432 + 130 + 4 + 0 = 666.

1000043213040 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 (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000043213047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231489325 + ... + 231493644.

It is an arithmetic number, because the mean of its divisors is an integer number (43057416210).

Almost surely, 2^{1000043213040} is an apocalyptic number.

1000043213040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000043213040 is an abundant number, since it is smaller than the sum of its proper divisors (2444550083760).

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

1000043213040 is a wasteful number, since it uses less digits than its factorization.

1000043213040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462982991 (or 462982979 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1000043213040 its reverse (403123400001), we get a palindrome (1403166613041).

The spelling of 1000043213040 in words is "one trillion, forty-three million, two hundred thirteen thousand, forty".