240280890 has 32 divisors (see below), whose sum is σ = 610597440. Its totient is φ = 60305664.

The previous prime is 240280879. The next prime is 240280913. The reversal of 240280890 is 98082042.

240280890 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 235060 + ... + 236079.

It is an arithmetic number, because the mean of its divisors is an integer number (19081170).

Almost surely, 2^240280890 is an apocalyptic number.

240280890 is an abundant number, since it is smaller than the sum of its proper divisors (370316550).

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

240280890 is a wasteful number, since it uses less digits than its factorization.

240280890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471166.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 240280890 is about 15500.9964195854. The cubic root of 240280890 is about 621.6888484859.

The spelling of 240280890 in words is "two hundred forty million, two hundred eighty thousand, eight hundred ninety".