354454656 has 128 divisors (see below), whose sum is σ = 998784000. Its totient is φ = 111141888.

The previous prime is 354454643. The next prime is 354454663. The reversal of 354454656 is 656454453.

It is a tau number, because it is divible by the number of its divisors (128).

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, 591445 + ... + 592043.

It is an arithmetic number, because the mean of its divisors is an integer number (7803000).

Almost surely, 2^354454656 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 354454656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499392000).

354454656 is an abundant number, since it is smaller than the sum of its proper divisors (644329344).

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

354454656 is a wasteful number, since it uses less digits than its factorization.

354454656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 694 counting only the distinct ones).

The product of its digits is 864000, while the sum is 42.

The square root of 354454656 is about 18826.9661921405. The cubic root of 354454656 is about 707.7071149633.

The spelling of 354454656 in words is "three hundred fifty-four million, four hundred fifty-four thousand, six hundred fifty-six".