351324325540 has 12 divisors (see below), whose sum is σ = 737781083676. Its totient is φ = 140529730208.

The previous prime is 351324325531. The next prime is 351324325607. The reversal of 351324325540 is 45523423153.

It can be written as a sum of positive squares in 2 ways, for example, as 178502870016 + 172821455524 = 422496^2 + 415718^2 .

It is a super-2 number, since 2×351324325540² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 351324325540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8783108119 + ... + 8783108158.

It is an arithmetic number, because the mean of its divisors is an integer number (61481756973).

Almost surely, 2^351324325540 is an apocalyptic number.

It is an amenable number.

351324325540 is an abundant number, since it is smaller than the sum of its proper divisors (386456758136).

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

351324325540 is a wasteful number, since it uses less digits than its factorization.

351324325540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17566216286 (or 17566216284 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 351324325540 its reverse (45523423153), we get a palindrome (396847748693).

The spelling of 351324325540 in words is "three hundred fifty-one billion, three hundred twenty-four million, three hundred twenty-five thousand, five hundred forty".