351023321204240 has 40 divisors (see below), whose sum is σ = 816138903731328. Its totient is φ = 140407662773120.

The previous prime is 351023321204197. The next prime is 351023321204273. The reversal of 351023321204240 is 42402123320153.

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

It is a junction number, because it is equal to n+sod(n) for n = 351023321204197 and 351023321204206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19230002 + ... + 32738961.

Almost surely, 2^{351023321204240} is an apocalyptic number.

It is an amenable number.

351023321204240 is an abundant number, since it is smaller than the sum of its proper divisors (465115582527088).

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

351023321204240 is a wasteful number, since it uses less digits than its factorization.

351023321204240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52053407 (or 52053401 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 351023321204240 its reverse (42402123320153), we get a palindrome (393425444524393).

The spelling of 351023321204240 in words is "three hundred fifty-one trillion, twenty-three billion, three hundred twenty-one million, two hundred four thousand, two hundred forty".