345401340 has 48 divisors (see below), whose sum is σ = 983525760. Its totient is φ = 90544960.

The previous prime is 345401321. The next prime is 345401347. The reversal of 345401340 is 43104543.

It is a self number, because there is not a number n which added to its sum of digits gives 345401340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345401347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45246 + ... + 52325.

It is an arithmetic number, because the mean of its divisors is an integer number (20490120).

Almost surely, 2^345401340 is an apocalyptic number.

345401340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

345401340 is an abundant number, since it is smaller than the sum of its proper divisors (638124420).

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

345401340 is a wasteful number, since it uses less digits than its factorization.

345401340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97642 (or 97640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 345401340 is about 18584.9761904609. The cubic root of 345401340 is about 701.6297671937.

Adding to 345401340 its reverse (43104543), we get a palindrome (388505883).

The spelling of 345401340 in words is "three hundred forty-five million, four hundred one thousand, three hundred forty".