242746460 has 48 divisors (see below), whose sum is σ = 563189760. Its totient is φ = 87147840.

The previous prime is 242746459. The next prime is 242746499. The reversal of 242746460 is 64647242.

It is a self number, because there is not a number n which added to its sum of digits gives 242746460.

It is a congruent number.

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, 10397 + ... + 24363.

It is an arithmetic number, because the mean of its divisors is an integer number (11733120).

Almost surely, 2^242746460 is an apocalyptic number.

242746460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242746460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281594880).

242746460 is an abundant number, since it is smaller than the sum of its proper divisors (320443300).

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

242746460 is a wasteful number, since it uses less digits than its factorization.

242746460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14066 (or 14064 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 35.

The square root of 242746460 is about 15580.3228464625. The cubic root of 242746460 is about 623.8080407515.

The spelling of 242746460 in words is "two hundred forty-two million, seven hundred forty-six thousand, four hundred sixty".