351242160 has 40 divisors (see below), whose sum is σ = 1088851440. Its totient is φ = 93664512.

The previous prime is 351242153. The next prime is 351242161. The reversal of 351242160 is 61242153.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×351242160² = 246742109922931200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 351242160.

It is not an unprimeable number, because it can be changed into a prime (351242161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731515 + ... + 731994.

It is an arithmetic number, because the mean of its divisors is an integer number (27221286).

Almost surely, 2^351242160 is an apocalyptic number.

351242160 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

351242160 is an abundant number, since it is smaller than the sum of its proper divisors (737609280).

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

351242160 is a wasteful number, since it uses less digits than its factorization.

351242160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463525 (or 1463519 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 351242160 is about 18741.4556531770. The cubic root of 351242160 is about 705.5625910207.

The spelling of 351242160 in words is "three hundred fifty-one million, two hundred forty-two thousand, one hundred sixty".