354444340 has 12 divisors (see below), whose sum is σ = 744333156. Its totient is φ = 141777728.

The previous prime is 354444331. The next prime is 354444361. The reversal of 354444340 is 43444453.

It can be written as a sum of positive squares in 2 ways, for example, as 102333456 + 252110884 = 10116^2 + 15878^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8861089 + ... + 8861128.

It is an arithmetic number, because the mean of its divisors is an integer number (62027763).

Almost surely, 2^354444340 is an apocalyptic number.

It is an amenable number.

354444340 is an abundant number, since it is smaller than the sum of its proper divisors (389888816).

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

354444340 is a wasteful number, since it uses less digits than its factorization.

354444340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722226 (or 17722224 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 354444340 is about 18826.6922214180. The cubic root of 354444340 is about 707.7002492262.

Adding to 354444340 its reverse (43444453), we get a palindrome (397888793).

The spelling of 354444340 in words is "three hundred fifty-four million, four hundred forty-four thousand, three hundred forty".