354391073728 has 56 divisors (see below), whose sum is σ = 710792951792. Its totient is φ = 175295176704.

The previous prime is 354391073723. The next prime is 354391073731. The reversal of 354391073728 is 827370193453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354391073723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16645426 + ... + 16666702.

It is an arithmetic number, because the mean of its divisors is an integer number (12692731282).

Almost surely, 2^354391073728 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 354391073728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355396475896).

354391073728 is an abundant number, since it is smaller than the sum of its proper divisors (356401878064).

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

354391073728 is a wasteful number, since it uses less digits than its factorization.

354391073728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24069 (or 24059 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 52.

The spelling of 354391073728 in words is "three hundred fifty-four billion, three hundred ninety-one million, seventy-three thousand, seven hundred twenty-eight".