355261630340 has 24 divisors (see below), whose sum is σ = 763399412160. Its totient is φ = 138799892448.

The previous prime is 355261630327. The next prime is 355261630349. The reversal of 355261630340 is 43036162553.

It is a junction number, because it is equal to n+sod(n) for n = 355261630294 and 355261630303.

It is not an unprimeable number, because it can be changed into a prime (355261630349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206546600 + ... + 206548319.

It is an arithmetic number, because the mean of its divisors is an integer number (31808308840).

Almost surely, 2^355261630340 is an apocalyptic number.

It is an amenable number.

355261630340 is an abundant number, since it is smaller than the sum of its proper divisors (408137781820).

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

355261630340 is a wasteful number, since it uses less digits than its factorization.

355261630340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413094971 (or 413094969 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 38.

Adding to 355261630340 its reverse (43036162553), we get a palindrome (398297792893).

The spelling of 355261630340 in words is "three hundred fifty-five billion, two hundred sixty-one million, six hundred thirty thousand, three hundred forty".