354221028050 has 54 divisors (see below), whose sum is σ = 668579965677. Its totient is φ = 139626270720.

The previous prime is 354221028047. The next prime is 354221028079. The reversal of 354221028050 is 50820122453.

It can be written as a sum of positive squares in 14 ways, for example, as 19314606529 + 334906421521 = 138977^2 + 578711^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=420845.

It is a super-3 number, since 3×354221028050³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 354221027998 and 354221028016.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 307216274 + ... + 307217426.

Almost surely, 2^354221028050 is an apocalyptic number.

354221028050 is a deficient number, since it is larger than the sum of its proper divisors (314358937627).

354221028050 is an frugal number, since it uses more digits than its factorization.

354221028050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2464 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Multiplying 354221028050 by its sum of digits (32), we get a square (11335072897600 = 3366760²).

The spelling of 354221028050 in words is "three hundred fifty-four billion, two hundred twenty-one million, twenty-eight thousand, fifty".