354981854240 has 192 divisors, whose sum is σ = 917505792000. Its totient is φ = 129001365504.

The previous prime is 354981854239. The next prime is 354981854243. The reversal of 354981854240 is 42458189453.

It is not an unprimeable number, because it can be changed into a prime (354981854243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41277461 + ... + 41286059.

It is an arithmetic number, because the mean of its divisors is an integer number (4778676000).

Almost surely, 2^354981854240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354981854240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458752896000).

354981854240 is an abundant number, since it is smaller than the sum of its proper divisors (562523937760).

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

354981854240 is a wasteful number, since it uses less digits than its factorization.

354981854240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939 (or 8931 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 354981854240 in words is "three hundred fifty-four billion, nine hundred eighty-one million, eight hundred fifty-four thousand, two hundred forty".