351040420 has 12 divisors (see below), whose sum is σ = 737184924. Its totient is φ = 140416160.

The previous prime is 351040399. The next prime is 351040451. The reversal of 351040420 is 24040153.

351040420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 72284004 + 278756416 = 8502^2 + 16696^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8775991 + ... + 8776030.

It is an arithmetic number, because the mean of its divisors is an integer number (61432077).

Almost surely, 2^351040420 is an apocalyptic number.

It is an amenable number.

351040420 is an abundant number, since it is smaller than the sum of its proper divisors (386144504).

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

351040420 is a wasteful number, since it uses less digits than its factorization.

351040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17552030 (or 17552028 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 351040420 is about 18736.0726941374. The cubic root of 351040420 is about 705.4274824701.

Adding to 351040420 its reverse (24040153), we get a palindrome (375080573).

The spelling of 351040420 in words is "three hundred fifty-one million, forty thousand, four hundred twenty".