240545136 has 80 divisors (see below), whose sum is σ = 673463840. Its totient is φ = 73981440.

The previous prime is 240545119. The next prime is 240545161. The reversal of 240545136 is 631545042.

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, 104316 + ... + 106596.

It is an arithmetic number, because the mean of its divisors is an integer number (8418298).

Almost surely, 2^240545136 is an apocalyptic number.

240545136 is a gapful number since it is divisible by the number (26) 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 240545136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336731920).

240545136 is an abundant number, since it is smaller than the sum of its proper divisors (432918704).

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

240545136 is a wasteful number, since it uses less digits than its factorization.

240545136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331 (or 2299 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 240545136 is about 15509.5175940453. The cubic root of 240545136 is about 621.9166632558.

The spelling of 240545136 in words is "two hundred forty million, five hundred forty-five thousand, one hundred thirty-six".