242570040 has 128 divisors (see below), whose sum is σ = 757278720. Its totient is φ = 62092800.

The previous prime is 242569993. The next prime is 242570057. The reversal of 242570040 is 40075242.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 732675 + ... + 733005.

It is an arithmetic number, because the mean of its divisors is an integer number (5916240).

Almost surely, 2^242570040 is an apocalyptic number.

242570040 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 242570040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378639360).

242570040 is an abundant number, since it is smaller than the sum of its proper divisors (514708680).

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

242570040 is a wasteful number, since it uses less digits than its factorization.

242570040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 569 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 242570040 is about 15574.6601889094. The cubic root of 242570040 is about 623.6568831938.

The spelling of 242570040 in words is "two hundred forty-two million, five hundred seventy thousand, forty".