354120340 has 96 divisors (see below), whose sum is σ = 880992000. Its totient is φ = 117033984.

The previous prime is 354120337. The next prime is 354120367. The reversal of 354120340 is 43021453.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709411 + ... + 709909.

It is an arithmetic number, because the mean of its divisors is an integer number (9177000).

Almost surely, 2^354120340 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 354120340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440496000).

354120340 is an abundant number, since it is smaller than the sum of its proper divisors (526871660).

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

354120340 is a wasteful number, since it uses less digits than its factorization.

354120340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 687 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 354120340 is about 18818.0854499070. The cubic root of 354120340 is about 707.4845456051.

Adding to 354120340 its reverse (43021453), we get a palindrome (397141793).

The spelling of 354120340 in words is "three hundred fifty-four million, one hundred twenty thousand, three hundred forty".