354255221140 has 48 divisors (see below), whose sum is σ = 787745758464. Its totient is φ = 133358400000.

The previous prime is 354255221129. The next prime is 354255221189. The reversal of 354255221140 is 41122552453.

It is a happy number.

It is a super-3 number, since 3×354255221140³ (a number of 36 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 354255221096 and 354255221105.

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, 10479265 + ... + 10513015.

It is an arithmetic number, because the mean of its divisors is an integer number (16411369968).

Almost surely, 2^354255221140 is an apocalyptic number.

It is an amenable number.

354255221140 is an abundant number, since it is smaller than the sum of its proper divisors (433490537324).

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

354255221140 is a wasteful number, since it uses less digits than its factorization.

354255221140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64648 (or 64646 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 354255221140 its reverse (41122552453), we get a palindrome (395377773593).

The spelling of 354255221140 in words is "three hundred fifty-four billion, two hundred fifty-five million, two hundred twenty-one thousand, one hundred forty".