342503040 has 128 divisors (see below), whose sum is σ = 1191049920. Its totient is φ = 83025920.

The previous prime is 342503039. The next prime is 342503047. The reversal of 342503040 is 40305243.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 342502998 and 342503016.

It is not an unprimeable number, because it can be changed into a prime (342503047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13012 + ... + 29228.

Almost surely, 2^342503040 is an apocalyptic number.

342503040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342503040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595524960).

342503040 is an abundant number, since it is smaller than the sum of its proper divisors (848546880).

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

342503040 is a wasteful number, since it uses less digits than its factorization.

342503040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16250 (or 16238 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 342503040 is about 18506.8376553100. The cubic root of 342503040 is about 699.6617685698.

Adding to 342503040 its reverse (40305243), we get a palindrome (382808283).

The spelling of 342503040 in words is "three hundred forty-two million, five hundred three thousand, forty".