4349326581780 has 24 divisors (see below), whose sum is σ = 12178114429152. Its totient is φ = 1159820421792.

The previous prime is 4349326581779. The next prime is 4349326581799. The reversal of 4349326581780 is 871856239434.

It is a Harshad number since it is a multiple of its sum of digits (60), and also a Moran number because the ratio is a prime number: 72488776363 = 4349326581780 / (4 + 3 + 4 + 9 + 3 + 2 + 6 + 5 + 8 + 1 + 7 + 8 + 0).

It is a congruent number.

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, 36244388122 + ... + 36244388241.

It is an arithmetic number, because the mean of its divisors is an integer number (507421434548).

It is a 1-persistent number, because it is pandigital, but 2⋅4349326581780 = 8698653163560 is not.

Almost surely, 2^{4349326581780} is an apocalyptic number.

It is an amenable number.

4349326581780 is an abundant number, since it is smaller than the sum of its proper divisors (7828787847372).

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

4349326581780 is a wasteful number, since it uses less digits than its factorization.

4349326581780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72488776375 (or 72488776373 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 4349326581780 in words is "four trillion, three hundred forty-nine billion, three hundred twenty-six million, five hundred eighty-one thousand, seven hundred eighty".