74341143440 has 40 divisors (see below), whose sum is σ = 181940170560. Its totient is φ = 28171380096.

The previous prime is 74341143433. The next prime is 74341143473. The reversal of 74341143440 is 4434114347.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 74341143440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24452804 + ... + 24455843.

It is an arithmetic number, because the mean of its divisors is an integer number (4548504264).

Almost surely, 2^74341143440 is an apocalyptic number.

It is an amenable number.

74341143440 is an abundant number, since it is smaller than the sum of its proper divisors (107599027120).

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

74341143440 is a wasteful number, since it uses less digits than its factorization.

74341143440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48908679 (or 48908673 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 74341143440 its reverse (4434114347), we get a palindrome (78775257787).

The spelling of 74341143440 in words is "seventy-four billion, three hundred forty-one million, one hundred forty-three thousand, four hundred forty".