343044403890 has 32 divisors (see below), whose sum is σ = 823716115776. Its totient is φ = 91433002560.

The previous prime is 343044403861. The next prime is 343044403901. The reversal of 343044403890 is 98304440343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2782737 + ... + 2903396.

It is an arithmetic number, because the mean of its divisors is an integer number (25741128618).

Almost surely, 2^343044403890 is an apocalyptic number.

343044403890 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

343044403890 is an abundant number, since it is smaller than the sum of its proper divisors (480671711886).

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

343044403890 is a wasteful number, since it uses less digits than its factorization.

343044403890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688154.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 343044403890 in words is "three hundred forty-three billion, forty-four million, four hundred three thousand, eight hundred ninety".