344270742882138 has 32 divisors (see below), whose sum is σ = 767357412841920. Its totient is φ = 114410216661840.

The previous prime is 344270742882067. The next prime is 344270742882173. The reversal of 344270742882138 is 831288247072443.

344270742882138 is a `hidden beast` number, since 3 + 4 + 4 + 2 + 70 + 7 + 428 + 8 + 2 + 138 = 666.

It is a Curzon 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, 9630471745 + ... + 9630507492.

It is an arithmetic number, because the mean of its divisors is an integer number (23979919151310).

Almost surely, 2^{344270742882138} is an apocalyptic number.

344270742882138 is an abundant number, since it is smaller than the sum of its proper divisors (423086669959782).

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

344270742882138 is a wasteful number, since it uses less digits than its factorization.

344270742882138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19260979579 (or 19260979573 counting only the distinct ones).

The product of its (nonzero) digits is 115605504, while the sum is 63.

The spelling of 344270742882138 in words is "three hundred forty-four trillion, two hundred seventy billion, seven hundred forty-two million, eight hundred eighty-two thousand, one hundred thirty-eight".