354343040 has 64 divisors (see below), whose sum is σ = 849645720. Its totient is φ = 141312000.

The previous prime is 354343013. The next prime is 354343063. The reversal of 354343040 is 40343453.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 127418944 + 226924096 = 11288^2 + 15064^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294440 + ... + 295640.

Almost surely, 2^354343040 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 354343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424822860).

354343040 is an abundant number, since it is smaller than the sum of its proper divisors (495302680).

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

354343040 is a wasteful number, since it uses less digits than its factorization.

354343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1669 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 354343040 is about 18824.0016999574. The cubic root of 354343040 is about 707.6328226866.

Adding to 354343040 its reverse (40343453), we get a palindrome (394686493).

The spelling of 354343040 in words is "three hundred fifty-four million, three hundred forty-three thousand, forty".