4040426707440 has 80 divisors (see below), whose sum is σ = 12529340928000. Its totient is φ = 1077101476096.

The previous prime is 4040426707439. The next prime is 4040426707489. The reversal of 4040426707440 is 447076240404.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 4040426707392 and 4040426707401.

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, 1950240 + ... + 3447359.

It is an arithmetic number, because the mean of its divisors is an integer number (156616761600).

Almost surely, 2^{4040426707440} is an apocalyptic number.

4040426707440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4040426707440 is an abundant number, since it is smaller than the sum of its proper divisors (8488914220560).

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

4040426707440 is a wasteful number, since it uses less digits than its factorization.

4040426707440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400734 (or 5400728 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 42.

The spelling of 4040426707440 in words is "four trillion, forty billion, four hundred twenty-six million, seven hundred seven thousand, four hundred forty".