242551300 has 36 divisors (see below), whose sum is σ = 529854976. Its totient is φ = 96372000.

The previous prime is 242551279. The next prime is 242551303. The reversal of 242551300 is 3155242.

It is a super-2 number, since 2×242551300² = 117662266263380000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242551303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7069 + ... + 23131.

Almost surely, 2^242551300 is an apocalyptic number.

242551300 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 242551300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264927488).

242551300 is an abundant number, since it is smaller than the sum of its proper divisors (287303676).

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

242551300 is a wasteful number, since it uses less digits than its factorization.

242551300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16228 (or 16221 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 242551300 is about 15574.0585590269. The cubic root of 242551300 is about 623.6408223605.

The spelling of 242551300 in words is "two hundred forty-two million, five hundred fifty-one thousand, three hundred".