351040402 has 8 divisors (see below), whose sum is σ = 526948236. Its totient is φ = 175390992.

The previous prime is 351040399. The next prime is 351040451. The reversal of 351040402 is 204040153.

351040402 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 332369361 + 18671041 = 18231^2 + 4321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 351040402.

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, 61173 + ... + 66664.

Almost surely, 2^351040402 is an apocalyptic number.

351040402 is a deficient number, since it is larger than the sum of its proper divisors (175907834).

351040402 is a wasteful number, since it uses less digits than its factorization.

351040402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129212.

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

The square root of 351040402 is about 18736.0722137806. The cubic root of 351040402 is about 705.4274704129.

Adding to 351040402 its reverse (204040153), we get a palindrome (555080555).

The spelling of 351040402 in words is "three hundred fifty-one million, forty thousand, four hundred two".