240646146 has 64 divisors (see below), whose sum is σ = 534914688. Its totient is φ = 71705088.

The previous prime is 240646141. The next prime is 240646151. The reversal of 240646146 is 641646042.

240646146 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 interprime number because it is at equal distance from previous prime (240646141) and next prime (240646151).

It is not an unprimeable number, because it can be changed into a prime (240646141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526350 + ... + 526806.

It is an arithmetic number, because the mean of its divisors is an integer number (8358042).

Almost surely, 2^240646146 is an apocalyptic number.

240646146 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 240646146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267457344).

240646146 is an abundant number, since it is smaller than the sum of its proper divisors (294268542).

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

240646146 is a wasteful number, since it uses less digits than its factorization.

240646146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 240646146 is about 15512.7736398105. The cubic root of 240646146 is about 622.0037030690.

The spelling of 240646146 in words is "two hundred forty million, six hundred forty-six thousand, one hundred forty-six".