1040234244421 has 16 divisors (see below), whose sum is σ = 1097567553600. Its totient is φ = 983161939968.

The previous prime is 1040234244347. The next prime is 1040234244433. The reversal of 1040234244421 is 1244424320401.

It is a happy number.

1040234244421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1040234244421 - 2¹¹ = 1040234242373 is a prime.

It is a super-2 number, since 2×1040234244421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040234241421) 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, 14795970 + ... + 14866108.

It is an arithmetic number, because the mean of its divisors is an integer number (68597972100).

Almost surely, 2^{1040234244421} is an apocalyptic number.

It is an amenable number.

1040234244421 is a deficient number, since it is larger than the sum of its proper divisors (57333309179).

1040234244421 is a wasteful number, since it uses less digits than its factorization.

1040234244421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71988.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 1040234244421 its reverse (1244424320401), we get a palindrome (2284658564822).

The spelling of 1040234244421 in words is "one trillion, forty billion, two hundred thirty-four million, two hundred forty-four thousand, four hundred twenty-one".