355240421016 has 64 divisors (see below), whose sum is σ = 1006754246400. Its totient is φ = 103551861888.

The previous prime is 355240420987. The next prime is 355240421047. The reversal of 355240421016 is 610124042553.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29956996 + ... + 29968851.

It is an arithmetic number, because the mean of its divisors is an integer number (15730535100).

Almost surely, 2^355240421016 is an apocalyptic number.

It is an amenable number.

355240421016 is an abundant number, since it is smaller than the sum of its proper divisors (651513825384).

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

355240421016 is a wasteful number, since it uses less digits than its factorization.

355240421016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59925888 (or 59925884 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 355240421016 its reverse (610124042553), we get a palindrome (965364463569).

The spelling of 355240421016 in words is "three hundred fifty-five billion, two hundred forty million, four hundred twenty-one thousand, sixteen".