344399448942 has 32 divisors (see below), whose sum is σ = 772104972960. Its totient is φ = 113783886720.

The previous prime is 344399448931. The next prime is 344399448947. The reversal of 344399448942 is 249844993443.

It is a happy number.

344399448942 is a `hidden beast` number, since 34 + 4 + 39 + 94 + 489 + 4 + 2 = 666.

It is a super-2 number, since 2×344399448942² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344399448942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344399448947) 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, 28214109 + ... + 28226312.

It is an arithmetic number, because the mean of its divisors is an integer number (24128280405).

Almost surely, 2^344399448942 is an apocalyptic number.

344399448942 is an abundant number, since it is smaller than the sum of its proper divisors (427705524018).

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

344399448942 is a wasteful number, since it uses less digits than its factorization.

344399448942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56440545 (or 56440539 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 63.

The spelling of 344399448942 in words is "three hundred forty-four billion, three hundred ninety-nine million, four hundred forty-eight thousand, nine hundred forty-two".