2743220536440 has 64 divisors (see below), whose sum is σ = 8231424400800. Its totient is φ = 731368783872.

The previous prime is 2743220536403. The next prime is 2743220536451. The reversal of 2743220536440 is 446350223472.

It is a happy number.

It is a super-2 number, since 2×2743220536440² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2743220536392 and 2743220536401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1885225 + ... + 3006744.

Almost surely, 2^{2743220536440} is an apocalyptic number.

2743220536440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2743220536440 is an abundant number, since it is smaller than the sum of its proper divisors (5488203864360).

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

2743220536440 is a wasteful number, since it uses less digits than its factorization.

2743220536440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896656 (or 4896652 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 42.

The spelling of 2743220536440 in words is "two trillion, seven hundred forty-three billion, two hundred twenty million, five hundred thirty-six thousand, four hundred forty".