42743814440 has 32 divisors (see below), whose sum is σ = 96193430280. Its totient is φ = 17093997312.

The previous prime is 42743814439. The next prime is 42743814481. The reversal of 42743814440 is 4441834724.

It can be written as a sum of positive squares in 4 ways, for example, as 42610042084 + 133772356 = 206422^2 + 11566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90494 + ... + 306066.

Almost surely, 2^42743814440 is an apocalyptic number.

42743814440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42743814440 is an abundant number, since it is smaller than the sum of its proper divisors (53449615840).

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

42743814440 is a wasteful number, since it uses less digits than its factorization.

42743814440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220541 (or 220537 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 41.

The spelling of 42743814440 in words is "forty-two billion, seven hundred forty-three million, eight hundred fourteen thousand, four hundred forty".