2434221023440 has 20 divisors (see below), whose sum is σ = 5659563879684. Its totient is φ = 973688409344.

The previous prime is 2434221023369. The next prime is 2434221023447. The reversal of 2434221023440 is 443201224342.

It can be written as a sum of positive squares in 2 ways, for example, as 1729950956176 + 704270067264 = 1315276^2 + 839208^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×2434221023440³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2434221023447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15213881317 + ... + 15213881476.

Almost surely, 2^{2434221023440} is an apocalyptic number.

2434221023440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2434221023440 is an abundant number, since it is smaller than the sum of its proper divisors (3225342856244).

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

2434221023440 is a wasteful number, since it uses less digits than its factorization.

2434221023440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30427762806 (or 30427762800 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 2434221023440 its reverse (443201224342), we get a palindrome (2877422247782).

The spelling of 2434221023440 in words is "two trillion, four hundred thirty-four billion, two hundred twenty-one million, twenty-three thousand, four hundred forty".