242437140 has 72 divisors (see below), whose sum is σ = 802253088. Its totient is φ = 58772160.

The previous prime is 242437127. The next prime is 242437147. The reversal of 242437140 is 41734242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242437147) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 59242 + ... + 63201.

It is an arithmetic number, because the mean of its divisors is an integer number (11142404).

Almost surely, 2^242437140 is an apocalyptic number.

242437140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242437140 is an abundant number, since it is smaller than the sum of its proper divisors (559815948).

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

242437140 is a wasteful number, since it uses less digits than its factorization.

242437140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122469 (or 122464 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 242437140 is about 15570.3930586225. The cubic root of 242437140 is about 623.5429653864.

The spelling of 242437140 in words is "two hundred forty-two million, four hundred thirty-seven thousand, one hundred forty".