351256001850 has 336 divisors, whose sum is σ = 1066887574200. Its totient is φ = 85481256960.

The previous prime is 351256001827. The next prime is 351256001851. The reversal of 351256001850 is 58100652153.

It is a happy number.

351256001850 is a `hidden beast` number, since 3 + 5 + 12 + 560 + 0 + 1 + 85 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 35588445201 + 315667556649 = 188649^2 + 561843^2 .

It is not an unprimeable number, because it can be changed into a prime (351256001851) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 42168486 + ... + 42176814.

Almost surely, 2^351256001850 is an apocalyptic number.

351256001850 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 351256001850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533443787100).

351256001850 is an abundant number, since it is smaller than the sum of its proper divisors (715631572350).

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

351256001850 is a wasteful number, since it uses less digits than its factorization.

351256001850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8461 (or 8441 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 351256001850 in words is "three hundred fifty-one billion, two hundred fifty-six million, one thousand, eight hundred fifty".