242500540 has 24 divisors (see below), whose sum is σ = 509574240. Its totient is φ = 96938688.

The previous prime is 242500513. The next prime is 242500547. The reversal of 242500540 is 45005242.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242500547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41521 + ... + 46999.

It is an arithmetic number, because the mean of its divisors is an integer number (21232260).

Almost surely, 2^242500540 is an apocalyptic number.

242500540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242500540 is an abundant number, since it is smaller than the sum of its proper divisors (267073700).

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

242500540 is a wasteful number, since it uses less digits than its factorization.

242500540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701 (or 7699 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 242500540 is about 15572.4288407429. The cubic root of 242500540 is about 623.5973151152.

Adding to 242500540 its reverse (45005242), we get a palindrome (287505782).

The spelling of 242500540 in words is "two hundred forty-two million, five hundred thousand, five hundred forty".