242540460 has 48 divisors (see below), whose sum is σ = 754572000. Its totient is φ = 64677312.

The previous prime is 242540443. The next prime is 242540477. The reversal of 242540460 is 64045242.

It is an interprime number because it is at equal distance from previous prime (242540443) and next prime (242540477).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224035 + ... + 225114.

It is an arithmetic number, because the mean of its divisors is an integer number (15720250).

Almost surely, 2^242540460 is an apocalyptic number.

242540460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242540460 is an abundant number, since it is smaller than the sum of its proper divisors (512031540).

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

242540460 is a wasteful number, since it uses less digits than its factorization.

242540460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449167 (or 449159 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 242540460 is about 15573.7105405231. The cubic root of 242540460 is about 623.6315317249.

The spelling of 242540460 in words is "two hundred forty-two million, five hundred forty thousand, four hundred sixty".