344731820873772 has 48 divisors (see below), whose sum is σ = 846729517948160. Its totient is φ = 108860136815808.

The previous prime is 344731820873771. The next prime is 344731820873789. The reversal of 344731820873772 is 277378028137443.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (344731820873771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7871008 + ... + 27411975.

Almost surely, 2^{344731820873772} is an apocalyptic number.

It is an amenable number.

344731820873772 is an abundant number, since it is smaller than the sum of its proper divisors (501997697074388).

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

344731820873772 is a wasteful number, since it uses less digits than its factorization.

344731820873772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35325862 (or 35325860 counting only the distinct ones).

The product of its (nonzero) digits is 265531392, while the sum is 66.

The spelling of 344731820873772 in words is "three hundred forty-four trillion, seven hundred thirty-one billion, eight hundred twenty million, eight hundred seventy-three thousand, seven hundred seventy-two".