351400080 has 80 divisors (see below), whose sum is σ = 1093590720. Its totient is φ = 93341184.

The previous prime is 351400067. The next prime is 351400099. The reversal of 351400080 is 80004153.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61839 + ... + 67281.

It is an arithmetic number, because the mean of its divisors is an integer number (13669884).

Almost surely, 2^351400080 is an apocalyptic number.

351400080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351400080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546795360).

351400080 is an abundant number, since it is smaller than the sum of its proper divisors (742190640).

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

351400080 is a wasteful number, since it uses less digits than its factorization.

351400080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5728 (or 5722 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 351400080 is about 18745.6682996366. The cubic root of 351400080 is about 705.6683165120.

The spelling of 351400080 in words is "three hundred fifty-one million, four hundred thousand, eighty".