342957240 has 160 divisors (see below), whose sum is σ = 1162006560. Its totient is φ = 90720000.

The previous prime is 342957233. The next prime is 342957253. The reversal of 342957240 is 42759243.

342957240 is a `hidden beast` number, since 3 + 42 + 9 + 572 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 342957195 and 342957204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 488890 + ... + 489590.

It is an arithmetic number, because the mean of its divisors is an integer number (7262541).

Almost surely, 2^342957240 is an apocalyptic number.

342957240 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 342957240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581003280).

342957240 is an abundant number, since it is smaller than the sum of its proper divisors (819049320).

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

342957240 is a wasteful number, since it uses less digits than its factorization.

342957240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 342957240 is about 18519.1047299809. The cubic root of 342957240 is about 699.9709103558.

The spelling of 342957240 in words is "three hundred forty-two million, nine hundred fifty-seven thousand, two hundred forty".