342501440 has 28 divisors (see below), whose sum is σ = 815582316. Its totient is φ = 137000448.

The previous prime is 342501433. The next prime is 342501443. The reversal of 342501440 is 44105243.

It can be written as a sum of positive squares in 2 ways, for example, as 112190464 + 230310976 = 10592^2 + 15176^2 .

It is not an unprimeable number, because it can be changed into a prime (342501443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534839 + ... + 535478.

Almost surely, 2^342501440 is an apocalyptic number.

It is an amenable number.

342501440 is an abundant number, since it is smaller than the sum of its proper divisors (473080876).

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

342501440 is a wasteful number, since it uses less digits than its factorization.

342501440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070334 (or 1070324 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 342501440 is about 18506.7944279932. The cubic root of 342501440 is about 699.6606790802.

Adding to 342501440 its reverse (44105243), we get a palindrome (386606683).

The spelling of 342501440 in words is "three hundred forty-two million, five hundred one thousand, four hundred forty".