342026640 has 60 divisors (see below), whose sum is σ = 1148641884. Its totient is φ = 91206912.

The previous prime is 342026639. The next prime is 342026647. The reversal of 342026640 is 46620243.

342026640 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 82301184 + 259725456 = 9072^2 + 16116^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (342026647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236799 + ... + 238238.

Almost surely, 2^342026640 is an apocalyptic number.

342026640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342026640 is an abundant number, since it is smaller than the sum of its proper divisors (806615244).

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

342026640 is a wasteful number, since it uses less digits than its factorization.

342026640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475056 (or 475047 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 342026640 is about 18493.9622579911. The cubic root of 342026640 is about 699.3372230048.

Adding to 342026640 its reverse (46620243), we get a palindrome (388646883).

The spelling of 342026640 in words is "three hundred forty-two million, twenty-six thousand, six hundred forty".