355540240250140 has 48 divisors (see below), whose sum is σ = 862422743204064. Its totient is φ = 121682221260800.

The previous prime is 355540240250137. The next prime is 355540240250147. The reversal of 355540240250140 is 41052042045553.

It is a junction number, because it is equal to n+sod(n) for n = 355540240250093 and 355540240250102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355540240250147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47532113941 + ... + 47532121420.

It is an arithmetic number, because the mean of its divisors is an integer number (17967140483418).

Almost surely, 2^{355540240250140} is an apocalyptic number.

It is an amenable number.

355540240250140 is an abundant number, since it is smaller than the sum of its proper divisors (506882502953924).

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

355540240250140 is a wasteful number, since it uses less digits than its factorization.

355540240250140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95064235398 (or 95064235396 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

Adding to 355540240250140 its reverse (41052042045553), we get a palindrome (396592282295693).

The spelling of 355540240250140 in words is "three hundred fifty-five trillion, five hundred forty billion, two hundred forty million, two hundred fifty thousand, one hundred forty".