354303540 has 36 divisors (see below), whose sum is σ = 1074721284. Its totient is φ = 94480896.

The previous prime is 354303539. The next prime is 354303559. The reversal of 354303540 is 45303453.

It is a happy number.

354303540 is a `hidden beast` number, since 354 + 303 + 5 + 4 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 162868644 + 191434896 = 12762^2 + 13836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983997 + ... + 984356.

It is an arithmetic number, because the mean of its divisors is an integer number (29853369).

Almost surely, 2^354303540 is an apocalyptic number.

354303540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

354303540 is an abundant number, since it is smaller than the sum of its proper divisors (720417744).

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

354303540 is a wasteful number, since it uses less digits than its factorization.

354303540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968368 (or 1968363 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 354303540 is about 18822.9524782910. The cubic root of 354303540 is about 707.6065275131.

Adding to 354303540 its reverse (45303453), we get a palindrome (399606993).

The spelling of 354303540 in words is "three hundred fifty-four million, three hundred three thousand, five hundred forty".