242635620 has 96 divisors (see below), whose sum is σ = 699955200. Its totient is φ = 62769024.

The previous prime is 242635607. The next prime is 242635637. The reversal of 242635620 is 26536242.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391671 + ... + 392289.

It is an arithmetic number, because the mean of its divisors is an integer number (7291200).

Almost surely, 2^242635620 is an apocalyptic number.

242635620 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 242635620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349977600).

242635620 is an abundant number, since it is smaller than the sum of its proper divisors (457319580).

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

242635620 is a wasteful number, since it uses less digits than its factorization.

242635620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 242635620 is about 15576.7653895152. The cubic root of 242635620 is about 623.7130810287.

The spelling of 242635620 in words is "two hundred forty-two million, six hundred thirty-five thousand, six hundred twenty".