349857347088 has 40 divisors (see below), whose sum is σ = 912089886400. Its totient is φ = 115549213824.

The previous prime is 349857347087. The next prime is 349857347093. The reversal of 349857347088 is 880743758943.

It is a happy number.

It is a super-2 number, since 2×349857347088² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (349857347087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33429148 + ... + 33439611.

It is an arithmetic number, because the mean of its divisors is an integer number (22802247160).

Almost surely, 2^349857347088 is an apocalyptic number.

It is an amenable number.

349857347088 is an abundant number, since it is smaller than the sum of its proper divisors (562232539312).

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

349857347088 is a wasteful number, since it uses less digits than its factorization.

349857347088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66868879 (or 66868873 counting only the distinct ones).

The product of its (nonzero) digits is 162570240, while the sum is 66.

The spelling of 349857347088 in words is "three hundred forty-nine billion, eight hundred fifty-seven million, three hundred forty-seven thousand, eighty-eight".