43784274225440 has 48 divisors (see below), whose sum is σ = 118217540411712. Its totient is φ = 15011751162624.

The previous prime is 43784274225437. The next prime is 43784274225451. The reversal of 43784274225440 is 4452247248734.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19546549874 + ... + 19546552113.

It is an arithmetic number, because the mean of its divisors is an integer number (2462865425244).

Almost surely, 2^{43784274225440} is an apocalyptic number.

43784274225440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43784274225440 is an abundant number, since it is smaller than the sum of its proper divisors (74433266186272).

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

43784274225440 is a wasteful number, since it uses less digits than its factorization.

43784274225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39093102009 (or 39093102001 counting only the distinct ones).

The product of its (nonzero) digits is 48168960, while the sum is 56.

The spelling of 43784274225440 in words is "forty-three trillion, seven hundred eighty-four billion, two hundred seventy-four million, two hundred twenty-five thousand, four hundred forty".