242011440 has 120 divisors (see below), whose sum is σ = 886670928. Its totient is φ = 58667520.

The previous prime is 242011433. The next prime is 242011447. The reversal of 242011440 is 44110242.

242011440 is a `hidden beast` number, since 24 + 201 + 1 + 440 = 666.

242011440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242011433) and next prime (242011447).

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (242011447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7359 + ... + 23198.

Almost surely, 2^242011440 is an apocalyptic number.

242011440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242011440 is an abundant number, since it is smaller than the sum of its proper divisors (644659488).

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

242011440 is a wasteful number, since it uses less digits than its factorization.

242011440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30587 (or 30578 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 242011440 is about 15556.7168772849. The cubic root of 242011440 is about 623.1777878987.

Adding to 242011440 its reverse (44110242), we get a palindrome (286121682).

The spelling of 242011440 in words is "two hundred forty-two million, eleven thousand, four hundred forty".