354856673280 has 224 divisors, whose sum is σ = 1136979151488. Its totient is φ = 94502912000.

The previous prime is 354856673267. The next prime is 354856673341. The reversal of 354856673280 is 82376658453.

It is a self number, because there is not a number n which added to its sum of digits gives 354856673280.

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, 126687880 + ... + 126690680.

Almost surely, 2^354856673280 is an apocalyptic number.

354856673280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354856673280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568489575744).

354856673280 is an abundant number, since it is smaller than the sum of its proper divisors (782122478208).

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

354856673280 is a wasteful number, since it uses less digits than its factorization.

354856673280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3866 (or 3842 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 354856673280 in words is "three hundred fifty-four billion, eight hundred fifty-six million, six hundred seventy-three thousand, two hundred eighty".