10001440043424 has 48 divisors (see below), whose sum is σ = 29170866795840. Its totient is φ = 3333813347520.

The previous prime is 10001440043423. The next prime is 10001440043437. The reversal of 10001440043424 is 42434004410001.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10001440043423) 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, 5787869532 + ... + 5787871259.

It is an arithmetic number, because the mean of its divisors is an integer number (607726391580).

Almost surely, 2^{10001440043424} is an apocalyptic number.

It is an amenable number.

10001440043424 is an abundant number, since it is smaller than the sum of its proper divisors (19169426752416).

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

10001440043424 is a wasteful number, since it uses less digits than its factorization.

10001440043424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11575740810 (or 11575740796 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10001440043424 its reverse (42434004410001), we get a palindrome (52435444453425).

The spelling of 10001440043424 in words is "ten trillion, one billion, four hundred forty million, forty-three thousand, four hundred twenty-four".