240061284 has 72 divisors (see below), whose sum is σ = 645765120. Its totient is φ = 74932992.

The previous prime is 240061279. The next prime is 240061309. The reversal of 240061284 is 482160042.

240061284 is a `hidden beast` number, since 2 + 40 + 0 + 612 + 8 + 4 = 666.

240061284 is digitally balanced in base 2, because in such base 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 23 ways as a sum of consecutive naturals, for example, 135597 + ... + 137355.

It is an arithmetic number, because the mean of its divisors is an integer number (8968960).

Almost surely, 2^240061284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240061284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322882560).

240061284 is an abundant number, since it is smaller than the sum of its proper divisors (405703836).

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

240061284 is a wasteful number, since it uses less digits than its factorization.

240061284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2004 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 240061284 is about 15493.9111911744. The cubic root of 240061284 is about 621.4993921438.

The spelling of 240061284 in words is "two hundred forty million, sixty-one thousand, two hundred eighty-four".