353402340 has 48 divisors (see below), whose sum is σ = 992201280. Its totient is φ = 93985920.

The previous prime is 353402327. The next prime is 353402347. The reversal of 353402340 is 43204353.

It is a self number, because there is not a number n which added to its sum of digits gives 353402340.

It is not an unprimeable number, because it can be changed into a prime (353402347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14970 + ... + 30510.

It is an arithmetic number, because the mean of its divisors is an integer number (20670860).

Almost surely, 2^353402340 is an apocalyptic number.

353402340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

353402340 is an abundant number, since it is smaller than the sum of its proper divisors (638798940).

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

353402340 is a wasteful number, since it uses less digits than its factorization.

353402340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15932 (or 15930 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 353402340 is about 18798.9983775732. The cubic root of 353402340 is about 707.0060664467.

Adding to 353402340 its reverse (43204353), we get a palindrome (396606693).

The spelling of 353402340 in words is "three hundred fifty-three million, four hundred two thousand, three hundred forty".