349675723480 has 64 divisors (see below), whose sum is σ = 802686153600. Its totient is φ = 137047872000.

The previous prime is 349675723469. The next prime is 349675723489. The reversal of 349675723480 is 84327576943.

It is a super-2 number, since 2×349675723480² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349675723489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482306 + ... + 1701934.

It is an arithmetic number, because the mean of its divisors is an integer number (12541971150).

Almost surely, 2^349675723480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 349675723480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401343076800).

349675723480 is an abundant number, since it is smaller than the sum of its proper divisors (453010430120).

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

349675723480 is a wasteful number, since it uses less digits than its factorization.

349675723480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220444 (or 220440 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 58.

The spelling of 349675723480 in words is "three hundred forty-nine billion, six hundred seventy-five million, seven hundred twenty-three thousand, four hundred eighty".