342641040 has 80 divisors (see below), whose sum is σ = 1213934208. Its totient is φ = 78317568.

The previous prime is 342641029. The next prime is 342641063. The reversal of 342641040 is 40146243.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 342641040.

It is an unprimeable number.

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, 100297 + ... + 103656.

Almost surely, 2^342641040 is an apocalyptic number.

342641040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

342641040 is an abundant number, since it is smaller than the sum of its proper divisors (871293168).

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

342641040 is a wasteful number, since it uses less digits than its factorization.

342641040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203976 (or 203970 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 342641040 is about 18510.5656315522. The cubic root of 342641040 is about 699.7557242900.

Adding to 342641040 its reverse (40146243), we get a palindrome (382787283).

The spelling of 342641040 in words is "three hundred forty-two million, six hundred forty-one thousand, forty".