354333521240540 has 48 divisors (see below), whose sum is σ = 751328406646272. Its totient is φ = 140356657985856.

The previous prime is 354333521240527. The next prime is 354333521240561. The reversal of 354333521240540 is 45042125333453.

It is a super-2 number, since 2×354333521240540² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354333521240491 and 354333521240500.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 665540327 + ... + 666072513.

It is an arithmetic number, because the mean of its divisors is an integer number (15652675138464).

Almost surely, 2^{354333521240540} is an apocalyptic number.

It is an amenable number.

354333521240540 is an abundant number, since it is smaller than the sum of its proper divisors (396994885405732).

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

354333521240540 is a wasteful number, since it uses less digits than its factorization.

354333521240540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855506 (or 855504 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 44.

Adding to 354333521240540 its reverse (45042125333453), we get a palindrome (399375646573993).

The spelling of 354333521240540 in words is "three hundred fifty-four trillion, three hundred thirty-three billion, five hundred twenty-one million, two hundred forty thousand, five hundred forty".