242211040 has 24 divisors (see below), whose sum is σ = 572223960. Its totient is φ = 96884352.

The previous prime is 242211017. The next prime is 242211049. The reversal of 242211040 is 40112242.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242211049) 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, 756750 + ... + 757069.

It is an arithmetic number, because the mean of its divisors is an integer number (23842665).

Almost surely, 2^242211040 is an apocalyptic number.

242211040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242211040 is an abundant number, since it is smaller than the sum of its proper divisors (330012920).

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

242211040 is a wasteful number, since it uses less digits than its factorization.

242211040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513834 (or 1513826 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 242211040 is about 15563.1307904290. The cubic root of 242211040 is about 623.3490636947.

Adding to 242211040 its reverse (40112242), we get a palindrome (282323282).

The spelling of 242211040 in words is "two hundred forty-two million, two hundred eleven thousand, forty".